bearing and spacer combination
1Rebar spacer — A rebar spacer is a device that secures the reinforcing steel or rebar in reinforced concrete structures as the rebar is assembled in place prior to the final concrete pour. The spacers are left in place for the pour to keep the reinforcing in… …
2Chevrolet Big-Block engine — The Chevrolet big block is a series of large displacement V8 engines that were developed in the USA during the 1950s and 1960s. As American automobiles grew in size and weight following the Second World War the engines powering them had to keep… …
3Cogset — A freehub (above) for use with a cassette and a threaded hub (below) for use with a freewheel. On a bicycle, the cogset or cluster[1] is the set of multiple rear sprockets that attaches to the hub on the rear wheel. A cogset works with a rear… …
4Inline speed skating — is the sport of racing on inline skates. It is often called inline racing by participants. Although it primarily evolved from racing on quad roller skates, the sport is similar enough to ice speed skating that many competitors are now known to… …
5Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
6Washer (hardware) — Assorted washers: flat, split, star and insulated A washer is a thin plate (typically disk shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are… …
7Chorioactis — geaster Scientific classification …
8DNA vaccination — The making of a DNA vaccine. DNA vaccination is a technique for protecting an organism against disease by injecting it with genetically engineered DNA to produce an immunological response. Nucleic acid vaccines are still experimental, and have… …
9En pointe — Dancing on pointe, or en pointe (pronounced IPA|/ɑ̃ pwɛ̃t/, often anglicised as IPA|/ɑn pwɛ̃t/ or IPA|/ɑn pɔɪnt/), is the act of standing on the tips of the toes while performing steps from ballet. Also known as pointe work, it is performed using …
10Dendrocollybia — racemosa fruit bodies growing on a decayed mushroom Scientific classification Kingdom …
