baber/WOPTO huggingface dataset:
Patent NL-1022521-C1 (NL)
Title: Mini-antenna for receiving regional television transmissions has two short bent metal rods and adjustable impedance reflector mounted on plastic support arm
Inventor: HULSHOF HENDRIK
IPC: H01Q9/26
Filed: 2003-01-29
Granted: 2003-02-25
Abstract: The mini-antenna for receiving regional television transmission comprises two short bent metal rods and an adjustable impedance reflector, all mounted on a plastic support arm. At both ends, the plastic support arm is sealed by plastic caps, in order to achieve a watertight construction. The rear side of the support arm is provided with a clamp device for mast fixture. On the under side, the antenna is provided with a transmission line connection of 75 ohms.
Patent NL-1033574-C1 (NL)
Title: Medicinal liquid administering method for physician, involves placing opening in container of drop device around eye, and pressing holder smoothly such that signal is sent to user for positioning head before administering medicinal liquid
Inventor: KERSSIES GEERT
IPC: A61F9/00
Filed: 2007-03-22
Granted: 2008-09-23
Abstract: The method involves placing an opening (9) in a container (3) of a drop device around a human eye, and pressing a holder smoothly such that a signal e.g. light signal, is sent to a user for positioning head before administering a medicinal liquid, where no signal is sent when the head is in a desired position. A desired change is indicated to the user through an indicator unit, where the position of the head is sensed using a sensor in the holder. An independent claim is also included for a drop device comprising an adapter.
Patent NL-1034967-C1 (NL)
Title: Cuff for floating or drifting of e.g. pipeline in saltwater, has slide fastener to enclose object within cuff, where ends of cuff are attached to each other so that cuff encloses object when slide fastener is closed
Inventor: BUIJVOETS JOHANNES GERHARDUS JOSEPH
IPC: B63B22/00
Filed: 2008-01-29
Granted: 2009-07-30
Abstract: The cuff (2) has a zipper(RTM: Slide fastener) (3) to enclose an elongated object (1) within the cuff, where ends of the cuff are attached to each other so that when the zipper(RTM: Slide fastener) is closed, the cuff encloses the object. A fuse is provided at the ends of the zipper(RTM: Slide fastener) to prevent unlawful opening of the zipper.
Patent NL-1035124-C1 (NL)
Title: Grow light unit, comprises LED's and air ionizers for preventing sick building syndrome
Inventor: STARRE ADRIAAN VAN DER
IPC: F24F8/30
Filed: 2008-03-04
Granted: 2008-09-22
Abstract: The unit comprises a 3 x 72 arrangement of LED's and two ionizers.
Patent RU-2053443-C1 (RU)
Inventor: ISHKOV BORIS AFANASEVICH
IPC: F23D11/10
Filed: 1988-08-15
Granted: 1996-01-27
Abstract: FIELD: highway engineering. SUBSTANCE: injector has central tube for feeding steam, annular fuel channel formed between tube case 1, diffuser 4 placed downstream of exit nozzle to form mixing chamber 6 and provided with checker 5 and deflector 8 secured on checker 5 by means of central rod 7 opposite diffuser 4 for axial displacement; fuel valve 14 and spring-loaded spraying insert 16 with conical grooves 17 are installed on central tube in fuel channel; insert 16 forms nozzle assembly on external surface. Fuel valve 14 may be made in the form of spring-loaded ring with conical working surface. Checker 5 is essentially truncated cone with net-like grooves on external surface inserted into diffuser 4. EFFECT: enlarged functional capabilities. 3 cl, 2 dwg
Patent RU-2059095-C1 (RU)
Title: Method of storing and supplying fuel to electrothermal spacecraft rocket engine
Inventor: VOLKOV MIKHAIL P
IPC: F02K9/42
Filed: 1991-06-11
Granted: 1996-04-27
Abstract: FIELD: space engineering. SUBSTANCE: method includes monitoring the fuel temperature in each tank and determining temperature difference in the tanks with the same fuel components. The temperature difference is compared with a permissible one. If the difference exceeds a permissible difference, the heater of the tank, in which the temperature is lower, is set in operation. When the temperature difference is less than permissible one the tank heater stops. EFFECT: simplified method. 1 dwg
Patent RU-2013378-C1 (RU)
Title: Method of purifying sewage against cyanides and rhodanides
Inventor: AKHMETGALEEV NAIL M
IPC: C02F1/461
Filed: 1989-06-29
Granted: 1994-05-30
Abstract: FIELD: purification of sewage. SUBSTANCE: sewage is fed into electrochemical reactor. Rhodanides are oxidized on anode in acid medium to produce prussic acid. Said acid is then neutralized by solution of alkali or alkali-earth hydroxides. Sewage is fed into cathode space and is separated of anolyte with the help of anion-exchange membrane. Prussic acid is blown of anolyte with the help of air. EFFECT: improves efficiency of the method.
Patent RU-2040879-C1 (RU)
Inventor: MIRON LII MAKKUNN
IPC: A01M9/00
Filed: 1990-03-27
Granted: 1995-08-09
Abstract: Использование: устройства для внесения в почву гранулированных химических материалов и распылительный клапан, преимущественно, для распределения гранулированного химического материала на упаковки с химикатами в средство для их внесения в почву. Сущность: устройство содержит распределительный клапан и приемный клапан. Распределительный клапан и приемный клапан автоматически открываются после соединения клапанов и также автоматически закрываются после отсоединения клапанов друг от друга. Клапаны выполнены такой конфигурации, чтобы приемный клапан всегда открывался первым и закрывался последним. Клапаны приводятся в действие кулачковой конструкцией, имеющей нейтральную часть, которая выступает в качестве элемента задержки во времени между моментом открытия и закрытия клапанов, чтобы дать возможность гранулированному материалу свободно выходить из интервала между клапанами и проходить через приемный клапан. 3 с. и 21 з. п. ф-лы, 10 ил.
Patent RU-2073396-C1 (RU)
Title: Harrow
Inventor: BEZDOLNYJ NIKOLAJ IVANOVICH
IPC: A01B49/02
Filed: 1990-02-28
Granted: 1997-02-20
Abstract: FIELD: agricultural engineering; flexible harrows for surface tillage operating with cultivators. SUBSTANCE: harrow has rod 5. Links 7 is installed for moving on lower link 6 of rod 5. Links 6 and 7 are interconnected by hydraulic cylinder 9 whose rod 10 is coupled with movable link of rod 12 through joint 11. Tie-rod 17 hinge-coupled with catch 13 is hinge-mounted of fixed link 6. Covering chain is placed in travelling position as follows. Rod 5 is lowered by means of hydraulic cylinder 21, covering chain is fixed by catch 22 by means of catch 13 and pin 16 and is lifted. Then machine can be started for travelling. EFFECT: improved catching of covering chain and reliability of its fixing in lifting and transportation. 3 dwg
Patent RU-2058754-C1 (RU)
Title: Method for tying of surgical ligatures with surgeon knot
Inventor: RADCHENKO ALEKSANDR VASILEVICH
IPC: A61B17/00
Filed: 1990-05-28
Granted: 1996-04-27
Abstract: FIELD: surgery. SUBSTANCE: one end of thread is fixed on the fifth finger, the other end of the thread, between the second and the third fingers. Two semiknots are formed with the aid of the first and the fourth fingers and the first loop is tied by the third finger. The second knot is formed by fixing one end of the thread on the fourth and fifth fingers, and the other end is fixed between the first and the second fingers, and loop is formed and tightened by the third finger. In so doing, two semiknots are formed with two ends one after the other, and from atop one more semoknot is tied, that makes it possible to simplify the method due to use for the purpose of only one hand. EFFECT: higher efficiency. 20 dwg
Patent RU-2051882-C1 (RU)
Inventor: BORODYANSKAYA MARGARITA V
IPC: C04B38/02
Filed: 1990-07-27
Granted: 1996-01-10
Abstract: FIELD: building materials industry. SUBSTANCE: source mix for preparation of cellular concrete includes, mass percent: lime - 5 to 25; gypsum - 1 to 5; "burnt earth" waste sand of foundry - 15 to 50; aluminium powder - 0.1 to 0.4. Source mix is prepared as follows. Granulated slag, line and gypsum are ground jointly in a vibratory mill up to a specific surface of 5000 sq. cm/g; specific surface of separately ground sand ingredient in the form of slag ("burnt earth" in compounds 1 to 5; that of natural sand makes 7-8) makes up 2500 sq. cm/g. Slag is ground in a ball mill. Blowing agent (aluminium powder) jointly with sulfanol is prepared in a special agitator in the form of water - aluminium suspension. Specified amount of water, then slag and binder at constant agitation are fed to the vibratory gas concrete agitator. After 2-minute agitation aluminium suspension is added, and after one minute more agitation moulding is accomplished. Bloating occurs during 6 to 10 min. After the requires strength is attained, crust is sheared off. Solidification is effected in autoclaves in the following conditions: 1 h - blowing- through with steam; 2 h - pressure rise up to 9 atm; 8 h - isothermal curing; 3 h - steam discharge in natural conditions for 28 days. Concrete density - 550 to 1200 kg/qu.m, strength - B 7.5 to B 10. EFFECT: enhanced quality. 2 tbl
Patent RU-2018723-C1 (RU)
Title: Pumping station for hydraulic drive
Inventor: VALIKOV PETR I
IPC: F15B11/00
Filed: 1990-10-09
Granted: 1994-08-30
Abstract: FIELD: manufacture of pump. SUBSTANCE: pumping station has pump 1, control hydraulic device 5 made in form of overflow valve, safety valve 8, throttle valve 9 and hydraulic lines connecting them. Overflow valve outlet is brought in communication with suction hydraulic line 2 of pump 1 by means of return hydraulic line 7. Throttle valve 9 is fitted in hydraulic return line 7 of the overflow valve. Before throttle valve 9, hydraulic return line 7 of the overflow valve is brought additionally in communication with spring chamber 6 of overflow valve and with suction hydraulic line 2 of pump 1 by means of safety valve 8. EFFECT: enhanced efficiency. 1 dwg
Patent RU-2012290-C1 (RU)
Title: Device for curing frigidity of women
Inventor: VOKHMYANIN VLADISLAV G
IPC: A61F6/04
Filed: 1990-12-25
Granted: 1994-05-15
Abstract: FIELD: medicine. SUBSTANCE: device has a stimulating member made in the form of cap 1 from elastic grid with predetermined thickness of threads and predetermined size of cells. EFFECT: enhanced efficiency. 1 dwg
Patent RU-2021819-C1 (RU)
Title: Method of treating wounds
Inventor: BONDARCHUK OLEG I
IPC: A61K47/02
Filed: 1991-02-12
Granted: 1994-10-30
Abstract: FIELD: medicine, particularly, surgery. SUBSTANCE: object of this invention is to reduce adhesion of gauze bandage to wound surface. To attain this object, new method prescribes applying polysorb to wound surface 20 to 80 s prior to dressing. EFFECT: dressing adhesion reduced 2.3 to 2.9 times. 1 tbl
Patent RU-2019166-C1 (RU)
Inventor: APSATAROV EDIL A
IPC: A61G10/02
Filed: 1991-12-25
Granted: 1994-09-15
Abstract: FIELD: medicine. SUBSTANCE: wound surface is isolated once from environment, and ozone-oxygen mixture is fed for 20 min at ozone concentration 100 mkg/m 3 . EFFECT: decreased surgery wound suppuration cases.
Patent RU-2020031-C1 (RU)
Title: Method of making heat insulating mixture for coating surface of liquid metal
Inventor: NIKIFOROV BORIS V
IPC: B22D7/10
Filed: 1990-12-06
Granted: 1994-09-30
Abstract: FIELD: metallurgy. SUBSTANCE: making heat insulating mixture is performed in two stages. Expanded perlite is preliminary mixed with fine dispersed ( up to 0.063 mm) ash concentrate at the ratio 1:1. The mixture is then mixed with nonmagnetic ash slam at the ratio 2:1. EFFECT: enhanced ingot-to-product yield owing to enhanced quality of heat insulation of head part of ingot. 2 tbl
Patent RU-2014124-C1 (RU)
Title: Rattler
Inventor: CHURYUMOV VITALIJ A
IPC: B02C17/10
Filed: 1991-02-06
Granted: 1994-06-15
Abstract: FIELD: mechanical engineering. SUBSTANCE: rattler has a rotary drum with a lining with annular grooves, freely located balls, and a milling package. EFFECT: improved structure. 2 cl, 2 dwg
Patent RU-2011514-C1 (RU)
Inventor: KUDRYASHOV VYACHESLAV M
IPC: B27N3/02
Filed: 1991-03-21
Granted: 1994-04-30
Abstract: FIELD: wood working production. SUBSTANCE: molded mass is actively mixed within 1 h and then sustained at 35-45 C within 2-3 h to ripen. Ripened mass is preliminary dried within 24 h and compressed at pressure 10-15 kgf/см 2 . The process is followed by self-drying within 4-5 days. Above mentioned molded mass contains, mass % : wood wastes being ground and wetted in 0.1-0.2 solution of caustic soda 90-92, liquid glass 3.0-3.5, bone glue 4.0-4.5, caustic soda 0.5-1.0, aniline dye 0.5-1.0. EFFECT: improves efficiency of the method. 2 tbl
Patent RU-2030231-C1 (RU)
Title: Detector for determining moment of biting workpiece by rollers of ball-rolling mill
Inventor: KLOCHKOV KONSTANTIN N
IPC: B21B37/00
Filed: 1991-01-22
Granted: 1995-03-10
Abstract: FIELD: control devices for metal-rolling mills. SUBSTANCE: detector has photodetector, two condensers, two amplifiers, filter, comparator, frequency meter, multivibrator, and generator. EFFECT: enhanced efficiency. 1 dwg
Patent RU-2000180-C1 (RU)
Inventor: TATARINOV VADIM S
IPC: B23K9/007
Filed: 1991-06-14
Granted: 1993-09-07
Abstract: Использование дл  точечной дуговой  наплавки в различных област х Сущность  изобретени  наплавку производ т н пред  варительно выполненном углублении, объем  и форма которого соответствует объему  и форме устран емой выпуклости Соотно  шение максимальной глубины углубление к  диаметру отверсти  на рабочей поверхно  сти составл ет 1/6 - 1/7 Углубление обсс  печивэет возможность размещении  большего количества металла непоср дс   венно под дугой и минимальною по пери  ферии наплавл емого участка 1 табл 1 ил
Patent RU-2044344-C1 (RU)
Inventor: POLUEKTOV VLADIMIR V
IPC: G11B3/58
Filed: 1991-06-28
Granted: 1995-09-20
Abstract: FIELD: instrumentation. SUBSTANCE: gear is intended for cleaning moving magnetic tapes in coplanar cassettes. Gear is installed into cassette and anchored there. Gear in the form of bent plate is produced from nonmagnetic material, has fixing elements in the form of elastic locators and cleaning shoulders on convex surface. Cleaning shoulders are formed by cutting or by through holes. EFFECT: simplified design, enhanced operational efficiency. 22 cl, 16 dwg
Patent RU-2080800-C1 (RU)
Inventor: ASEEVA TAMARA A
IPC: A23L2/00
Filed: 1991-06-28
Granted: 1997-06-10
Abstract: Использование: производство безалкогольных напитков. Сущность изобретения: приготовление безалкогольного напитка путем купажирования водного отвара солодкового корня, водного отвара кориандра, экстракта граната, водно-спиртового экстракта корицы, гвоздики, перца, полыни, кардамона, корня девясила и смешивания с облепиховым соком, раствором лимонной кислоты, сахарным сиропом, тартразином, бензоатом натрия и аскорбиновой кислотой, разбавления купажного сиропа водой 1:4, насыщением двуокисью углерода и розлива напитка.
Patent RU-2026365-C1 (RU)
Title: Device for treatment of molten metal
Inventor: NAJDEK VLADIMIR LEONTEVICH
IPC: C21C7/00
Filed: 1991-07-02
Granted: 1995-01-09
Abstract: FIELD: metallurgy. SUBSTANCE: device for treatment of molten metal includes metal supply tube, plasma generator and additional heated runner-outlet (one or more) with swirling mixer installed at its end. Plasma generator is mounted inside metal supply tube vertically and coaxially with it. EFFECT: higher efficiency. 1 dwg, 1 tbl
Patent RU-2020094-C1 (RU)
Inventor: VALYSHKOV VYACHESLAV M
IPC: B60T8/22
Filed: 1991-09-17
Granted: 1994-09-30
Abstract: FIELD: brake system of transport vehicles. SUBSTANCE: pressure regulator is provided with differential piston installed so that its smaller diameter end is directed towards regulator piston and interacts therewith by spring. Circular chamber of differential piston communicates with master brake cylinder while control chamber, with regulator inlet at its piston side and with the outlet of the inlet solenoid valve and the outlet of the outlet solenoid valve of the channel controlling the rear axle brakes of transport vehicle. EFFECT: improved design. 2 dwg
Patent RU-2000257-C1 (RU)
Inventor: GORA ALEKSANDR A
IPC: B64G1/14
Filed: 1991-10-15
Granted: 1993-09-07
Abstract: Изобретение относитс  к области авиакосмической  техники,а именно к транспортным  космическим корабл м многократного  применени . Способ выведени  воздушно-  космического самолета (ВКС) на орбиту  включает частичную заправку топливных  емкостей ВКС и его стыковку с самолетом-  носителем, совместный старт, наоор заданной  высоты и полет в заданный , гдь  перед отделением ВКС его дозаправл ют  топливом от дополнительного самолета-  танкера, выводимого в район следовани   самолета-носител  с ВКС. 1 з.п ф-лы, 1 ил
Patent RU-2030028-C1 (RU)
Title: Sealing unit of lead-acid cell
Inventor: KONOVALOV MIKHAIL B
IPC: H01M50/172
Filed: 1991-10-22
Granted: 1995-02-27
Abstract: FIELD: lead-acid cells. SUBSTANCE: terminal 1 with hole which houses bushing 3 with pin 4 pressed into it is installed in socket of cover of case 2 of cell. Contact 5 which one part is pressed against terminal and which other part is separated from terminal with boss 6 of cover or case of cell is positioned between cover or case of cell. EFFECT: simplified design, reduced manufacturing cost. 1 dwg
Patent RU-2071601-C1 (RU)
Title: Машина трения
Inventor: NURKHANOV SHAMIL S
IPC: G01N3/56
Filed: 1991-10-22
Granted: 1997-01-10
Abstract: Сущность изобретения: машина трения содержит основание 1, привод, состоящий из электродвигателя 2 и редуктора 3, электромагнитные порошковые муфту 4 и тормоз 5, валы с шестернями и зубчатыми колесами, рычажный механизм включения 14 с фрикционными муфтами 16, испытательный блок, в корпусе которого установлены валы 17 вращения образцов, на которых с помощью шпонок и гаек закреплены испытуемые образцы, и расположенные на них разъемные колодки 20 с вкладышами, соединенные со штоком нагружающих устройств, жестко закрепленных на корпусе, выполненных в виде электромагнитного гидроцилиндрического нагружателя. 3 ил.
Patent RU-2047051-C1 (RU)
Title: Facility for burning combustible liquid waste
Inventor: SHELGIN BORIS MIKHAJLOVICH
IPC: F23G7/04
Filed: 1991-12-10
Granted: 1995-10-27
Abstract: FIELD: chemical industry. SUBSTANCE: facility is provided with additional tier of secondary air nozzles arranged level with medium sectional area of furnace bottom. EFFECT: enlarged functional capabilities. 1 dwg
Patent RU-2008371-C1 (RU)
Inventor: KOLOMEJSKIJ ANATOLIJ M
IPC: C25D21/12
Filed: 1991-07-08
Granted: 1994-02-28
Abstract: FIELD: galvanochemical treatment of articles. SUBSTANCE: device has automatic operator control unit, position detectors unit, which has upper position detector and lower position detector, rocking amplitude set-point device and OR gate. Three inputs of the set-point device are connected with identical polarity outputs of automatic operator control unit. Output of the set-point device is connected to the first input of OR gate which has the second input connected with output of automatic operator clamps upper position detector. Output of OR gate is connected with the first input of control unit. Output of clamps lower position detector is connected with the second input of control unit. EFFECT: improved productivity. 3 dwg
Patent RU-2040385-C1 (RU)
Inventor: VLASOV VLADIMIR N
IPC: B27B19/02
Filed: 1992-01-13
Granted: 1995-07-25
Abstract: Использование: в лобзиковых станках в лесной и деревообрабатывающей промышленности. Сущность изобретения: в механическом лобзике, содержащем станину, стол с основанием 3, пильное полотно 4 с кронштейном, установлен привод, размещенный на жесткой плите, которая находится между столом и основанием. Привод состоит из двух силовых камер 5 и 6, выполненных из эластичного материала и соединенных с источником сжатого воздуха. Камера 5 установлена на верхней поверхности плиты с возможностью контактирования с нижней поверхностью стола. Камера 6 выполнена с выхлопными окнами 12, расположенными в нижней части ее оболочки. Камера 6 прикреплена к нижней поверхности плиты и контактирует с основанием 3. Предусмотрена регулировка воздуха и давления в камерах, что позволяет изменять режим работы в широких пределах. 3 з.п. ф-лы, 2 ил.
Patent RU-2003789-C1 (RU)
Inventor: SHELYAGO VLADIMIR V
IPC: E21B43/26
Filed: 1992-02-17
Granted: 1993-11-30
Abstract: Использование: б нефт ной промышленности  при разработке месторождений с использованием  гидроразрыва пласта. Сущность изобретени : до проведени  гидроразрыва пласта определ ют направление  естественной трещиноватости пласта,  провод т инициирование трещин гидроразрыва в  Направлении, ориентированном от линии, соедин ющей  одноименные скважины в сторону, противоположную  направлению естественной трещиноватости . Длину трещин гидроразрыва выбирают из условий , обеспечивающих создание гидродинамической  св зи между одноименными скважинами. 3 ил.
Patent RU-2005731-C1 (RU)
Title: Способ изготовления полимербетонной изоляции
Inventor: KREDYSHEV GENNADIJ I
IPC: C08L75/04
Filed: 1992-02-28
Granted: 1994-01-15
Abstract: Использование: для защиты подземных и наземных теплопроводов от тепловых потерь и воздействия агрессивных сред. Сущность изобретения: раздельно готовят состав А смешением 100 мас. ч. полиизоцианата, 133,3 - 187,5 мас. ч. минерального наполнителя и 0,9 - 1,0 мас. ч. триэтаноламина и состав Б смешением 30,0 - 34,4 мас. ч. диэтиленгликоля и 6,7 - 8,8 мас. ч. диметилкетона. Совмещают оба состава, заливают смесь в форму, вспенивают и отверждают. 2 табл.
Patent RU-2093328-C1 (RU)
Inventor: DZHURINSKIJ ISAAK ARONOVICH
IPC: B23K9/28
Filed: 1992-01-22
Granted: 1997-10-20
Abstract: Изобретение мундштук для электрогазосварочного полуавтомата, относится к высокотемпературным устройствам для дуговой сварки с применением плавящегося электрода вручную и на автоматах. Сущность изобретения заключается в следующем: в процессе подачи вращением гайки 8 к корпусу втулке 7 по ходу часовой стрелки происходит соединение меньшего корпуса цилиндра 12 в стык с буртом 11 и наконечником 9 с центральным каналом 10, соединяющим канал 13 для подачи углекислого газа и отвода электродной проволоки. В результате износа наконечник 9 вращения гайки 8 против хода часовой стрелки происходит отсоединение изношенного наконечника 9 и его заменяют новым наконечником 9. Затем повторяют первоначальный процесс соединения втулки 7 с наконечником 9 при помощи гайки 8, защищающей корпус втулку 7 с 4-мя (четырьмя) отверстиями от попадания брызг расплава металла. В упрощенной конструкции устройства наконечника 3 улучшается и расширяется технологическая возможность в изготовлении наконечника 9. 12 ил.
Patent RU-2063622-C1 (RU)
Title: Stand for testing engine installation automatic control system
Inventor: KULIKOV GENNADIJ G
IPC: G01M15/14
Filed: 1992-02-25
Granted: 1996-07-10
Abstract: FIELD: complex testing of automatic control systems of gas turbine engines in multiengine power installation. SUBSTANCE: in test stand real second, (n-1)th and nth automatic control system of engine installations are replaced by information buffer models, with first engine installation model left half-scale. Information buffer models of (n-1)th engine installations are connected to multiplex information exchange channel of automatic control system of power installation and automatic control system of engine installation and to half-scale model of first engine installation. Information exchange between automatic control system of power installation and each engine installation is carried out cyclically by transmission of information "frame". Vector of output parameters of automatic control system of first engine installation is stored in buffer devices of (n-1)th engine installations and is transmitted to automatic control system of power installation. EFFECT: provision of testing complex automatic power control systems of power installation consisting of n engine installations, reduced expenses at preserved accuracy of characteristics, improved information content and reliability of information. 1 dwg