hollow cylinder test
101List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
102gas-turbine engine — Introduction any internal combustion engine employing a gas as the working fluid used to turn a turbine. The term also is conventionally used to describe a complete internal combustion engine consisting of at least a compressor, a… …
103Rock-climbing equipment — Rock climbing History Styles Technique Equipment and protection Grades (difficulty of climb) Terminology Belaying Abseiling …
104Safe — A safe (also called strongbox, coffer or kist) is a secure lockable box used for securing valuable objects against theft or damage. A safe is usually a hollow cuboid or cylinder, with one face removable or hinged to form a door. The body and door …
105May 2005 — was the fifth month of that year. It began on a Sunday and ended after 31 days, on a Tuesday. May 2005: ← – January – February – March – April – May – June – July – August – September –… …
106Glossary of firefighting — Note: This list does not include firefighting equipment, i.e., tools and apparatus used by firefighters. Please refer to Glossary of firefighting equipment for such terms. : Note: This list is incomplete. You can help Wikipedia by… …
107Robot combat — Not to be confused with Military robots. A spinner type robot attacks Robot combat is a hobby/sport in which two or more custom built machines use varied methods of destroying or disabling the other. As of today, in most cases these machines are… …
108Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances …
109Core sample — Rock core samples. The product of a Diamond rig. (The bird is a Pied Butcherbird.) A core sample is a cylindrical section of (usually) a naturally occurring substance. Most core samples are obtained by drilling with special drills into the… …
110Song Yingxing — (Traditional Chinese:宋應星; Simplified Chinese:宋应星; Wade Giles: Sung Ying Hsing; 1587 1666 AD) was a Chinese scientist and encyclopedist who lived during the late Ming Dynasty (1368 1644). He was the author of an encyclopedia that covered a wide… …
