Roller delayed blowback is where the bolt has two rollers that pop out both sides of the bolt to lock the chamber. The Sturmgewehr 45 assault rifle, Heckler & Koch MP5 and Calico submachine gun uses this operation.
Primer actuated blowback is when the round is fired, the primer moves the firing pin rearwards to unlock the bolt. The Garand Model 1919 and Postnikov APT uses this operation.
Llullaillaco
Llullaillaco is a stratovolcano in the Andes range, in Argentina and Chile. It is the 7th highest mountain in the Andes.
It lies in the Puna de Atacama, a region of very high volcanic peaks on a high plateau within the Atacama Desert, one of the driest places in the world.
The first recorded ascent was on 1 December 1952, by Bión González and Juan Harseim, from Chile. They found archaeological evidence that people were at the top of Llullaillaco in the pre-Columbian period.
During 1983–1985, American archaeologist Johan Reinhard directed three surveys of archaeological sites on the summit and slopes of the mountain.
The summit is the highest archaeological site in the world. The mummies of three Inca children were found on it in 1999. These were found by Johan Reinhard and Constanza Ceruti and their expedition. Other artifacts were also found along with the mummies. It is believed that the children were part of a human sacrifice.
The volcano is in the Chile-Argentina boder and is part, on the Chilean part, of the Llullaillaco National Park ().
The Llullaillaco is a stratovolcano. There were eruptions in 1854, 1866 and 1877. Since then, no volcanic activity has been recorded. It is the world´s second highest active volcano, second to "Ojos del Salado".
It is an ultra-prominent peak, or Ultra for short, because it has as a summit with a topographic prominence of or more.
List of Nepalese actors
This is a list of Nepali actors.
Province of Antofagasta
The Province of Antofagasta () is one of three provinces in the northern Chilean region of Antofagasta (II). The capital is the port city of Antofagasta.
The Antofagasta province has an area of .
The Antofagasta province is bordered on the north by the Tocopilla and El Loa provinces, on the east by Argentina, on the south by the Atacama region (Chañaral province) and on the west by the Pacific Ocean.
(last national census), there were 318,779 people living in the province, giving it a population density of inhabitants/km².
The largest city of the province is Antofagasta, its capital, with a population, in 2002, of 285,255 inhabitants.
As a province, the Antofagasta province is a second-level administrative division, consisting of four communes ("comunas"). The city of Antofagasta serves as the provincial capital. The province is administered by a governor.
Province of El Loa
The Province of El Loa () is one of three provinces of the northern Chilean region of Antofagasta (II). It is named after the longest river of Chile, the Loa. The provincial capital is Calama.
The El Loa province has an area of .
The province is bordered on the north by the Tarapacá region, on the east by Bolivia, on the south by Argentina and on the west by the Antofagasta and the Tocopilla provinces.
(last national census), there were 143,689 people living in the province, giving it a population density of inhabitants/km².
The largest city of the province is Calama, its capital, with a population, in 2002, of 126,135 inhabitants.
As a province, the El Loa province is a second-level administrative division, consisting of three communes ("comunas"). The city of Calama serves as the provincial capital. The province is administered by a governor.
Bill Burr
William Frederic "Bill" Burr (born June 10, 1968) is an American comedian, writer and actor. He is the host of the "Monday Morning Podcast", and appeared in the AMC crime-drama show "Breaking Bad". In 2013, "The New York Times" wrote that Burr "has been one of the funniest, most distinctive voices in the country for years. He has released six stand-up specials.
Burr was born in Canton, Massachusetts. His parents are of German and Irish ancestry. His father worked as a dentist. He married producer, director and screenwriter Nia Hill in 2013. Their daughter was born in 2017. As of May 2015, Burr is a licensed helicopter pilot and he has played the drums for a long time.
"Rolling Stone" magazine called Burr "the undisputed heavyweight champ of rage-fueled humor." Burr often makes himself look like "that loud guy in the bar" with "uninformed logic." In an interview with the "The Boston Globe", Burr stated, "I'm the 'dude, bro' guy." He has also been known to not care about being politically correct."
Asprovalta
Asprovalta () is a town near Thessaloniki in northern Greece. It was the seat of the Agios Georgios municipality. Since January 2011, Asprovalta belongs to the Municipality of Volvi. The population is around 3,039 people.
According to a book about Simonopetra, Asprovalta was built in the 16th century. Its first name was Aspra Valta. After the Greco-Turkish War, 54 families from western Turkey moved to Asprovalta.
Elizabeth Lada
Elizabeth Lada (born 19??) is an American astronomer.
The American Astronomical Society honored her work by awarding her the Annie Jump Cannon Award in Astronomy Prize in 1992. She also was named as a Hubble Fellow during her work at the University of Maryland. She was awarded a National Science Foundation's CAREER Award in 1999. In 1998 she received a Presidential Early Career Award for Scientists and Engineers (PECASE). Lada got her Bachelor of Science in Physics degree at Yale University in 1965. She did her Ph.D. in Astronomy at the University of Texas in 1990. Lada is currently Professor of Astronomy at the The University of Florida.
Meessen De Clercq
Meessen De Clercq is a contemporary art gallery in Brussels, Belgium. The gallery is in an old building with three floors.
In 2007, art historian Olivier Meessen and art lover Jan De Clercq began to work to start a contemporary art gallery in Brussels. In April 2008 the gallery opened, with a group show of works by seven artists. After this first show, the gallery closed to rebuild it. From September 2008 the gallery re-opened with group and solo shows by both older and new artists.
Artists who show their work include:
Ruppoldsried
Ruppoldsried is a former municipality in the administrative district of Seeland in the canton of Berne in Switzerland.
On 1 January 2013 the former municipality of Ruppoldsried merged into the municipality of Rapperswil.
Rüschegg
Rüschegg is a municipality in the administrative district of Bern-Mittelland in the canton of Berne in Switzerland. It is also a Swiss Reformed Church parish.
Rüti bei Büren
Rüti bei Büren is a municipality in the administrative district of Seeland in the canton of Berne in Switzerland.
Rüti bei Lyssach
Rüti bei Lyssach is a municipality in the administrative district of Emmental in the canton of Berne in Switzerland.
Rüti bei Riggisberg
Rüti bei Riggisberg was a municipality of the district Seftigen in the canton of Berne in Switzerland.
On 1 January 2009 the former municipality of Rüti bei Riggisberg merged into the municipality of Riggisberg.
Rütschelen
Rütschelen is a municipality in the administrative district of Oberaargau in the canton of Berne in Switzerland.
Saanen
Saanen () is a municipality and ski resort in the canton of Berne in Switzerland. It is the capital of the administrative district of Obersimmental-Saanen.
Ignasi Aballí
Ignasi Aballí (born in 1958) is a Spanish artist. He is one of Spain's well known artists.
Aballí tried some ways to make his art. He has done art shows in Italy and Australia. In 2015, he showed his work in France. Aballí won an award called the Joan Miró prize in 2015.
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Gstaad
Gstaad is a village in the municipality of Saanen in the canton of Berne in Switzerland.
Chevron (geology)