[DOC] [TLE] J! Archive - Show #2867, aired 1997-02-04 [PAR] Nouns have 3 cases: nominative, objective & this, usually indicated by 's ... Now 
employed in welding, this gas, He, has been used to lift balloons & dirigibles... [DOC] [TLE] Airship - Wikipedia [PAR] An airship or dirigible is a type of aerostat or lighter-than-air aircraft that can 
navigate through ... From the 1960s, helium airships have been used in 
applications where the ability to hover in one place for an extended period 
outweighs the need for .... The interior contains one or more gas bags, cells or 
balloons to provide lift. [DOC] [TLE] Patent US2362966 - Apparatus for filling gas balloons and airships ... [PAR] I 7 -;The ordinary practiceof filling balloons and dirigibles entails the use of a ... 
the filling of-balloons at places other than such gas-producing plants, it has been 
... in welding, for example, to prevent suitable lift-mediums for lighter-than-air 
aircraft. ... several embodiments of the invention will now be described in 
conjunction... [DOC] [TLE] Hydrogen and Helium in Rigid Airship Operations | Airships.net [PAR] The use of hydrogen as a lifting gas for passenger airships was completely 
abandoned by ... But since helium has always been a rare and expensive gas, 
helium airships began ..... In Europe only motorized balloons (airships) may not 
be filled with .... I am employed in a profession tht requires aerial lifts on a regular 
basis,... [DOC] [TLE] Airship FAQ - Airship Resources [PAR] The difference between airships and balloons are the following: Balloons simply 
... All the airships currently flying for publicity use are of that type; the Goodyear ... 
The general described the sound he heard, "blimp," and blimps have been ... The 
airship is filled with a lifting gas (Hydrogen, Helium, hot air or natural gas). [DOC] [TLE] PDF (3797 KB) - AIAA - The American Institute of Aeronautics and ... [PAR] May 10, 1983 ... Balloon and Airship Constructors,. Alexandria, VA ... This very fine effort has now 
been updated to re- flect the ... on a single-co~partment gas hull using an internal 
... the bottom of the hull was used to position the car ..... Calculated for 95:; 
inflation with helium lifting 0.062 lb/ft3 (ZRS-4/5) or hydrogen lifting. [DOC] [TLE] Arizona Helium Resources 1.pdf - The Arizona Geological Survey [PAR] efforts have been made to extract helium from natural gas and to pump it .... of 
helium were available for use as a lifting gas in airships during World War II. [DOC] [TLE] 3 Uses of Helium | The Impact of Selling the Federal Helium ... [PAR] For example, research using liquid helium has beenand continues to ... 
welding, atmospheric control, leak detection, breathing mixtures, lifting, and other 
uses. ... for which helium is used, the reason for its use, the volume of gas 
employed, and .... The use of closed-cycle systems that reliquefy helium is now 
commonplace... [DOC] [TLE] Blimps Could Replace Airplanes in 10 Years, Scientist Says ... [PAR] Jun 30, 2010 ... The role of airplanes have long been a tough piece to fit into the puzzle of 
transitioning to a low-carbon future -- the huge amounts of jet fuel they burn make 
them ... a conference that massive helium balloons - or blimps - would replace 
aircraft ... Dirigibles , Zeppelins, the "Final Solution" for heavy lifting year... [DOC] [TLE] Helium Crises Explained | Life O' the Party [PAR] If there is no helium to use there will be no need to buy or sell balloons! ... or 
columns, or used to lift other items are what gives magic and wonder to our 
business. ... surcharges were employed by suppliers and almost every supplier of 
the gas was put on ... methane, helium, and hydrogen) have been used as 
balloon gases. [DOC] [TLE] The Airship Simon [PAR] The gondola has been designed and shaped by hand, the material used is a ... 
although the weight of a given volume of He is approximately twice that of an ....

Question: Now employed in welding, this gas, He, has been used to lift balloons & dirigibles
Answer: Helium