drilling from solid
21Clastic rock — A thin section of a clast (sand grain), derived from a basalt score. Vesicles (air bubbles) can be seen throughout the clast. Plane light above, cross polarized light below. Scale box is 0.25 mm Clastic rocks are composed of fragments, or clasts …
22CNC wood router — A CNC wood router uses CNC (computer numerical control) and is similar to a metal CNC mill with the following differences:*The wood router typically spins faster mdash; with a range of 13000 to 24,000 RPM *It typically uses smaller tools mdash;… …
23Chuck DeVore — Devore redirects here. For other uses, see Devore (disambiguation). Chuck DeVore Chuck DeVore speaking at CPAC Member of the California State Assembly from the 70th district …
24Wytch Farm — Location map Dorset lat=50.66017 long= 2.03673 width=180 float=right caption= Wytch Farm shown within Dorset (gbmapping|SY975845)Wytch Farm is an oil field and processing facility in the Purbeck district of Dorset, England. It is the largest… …
25Indoor air quality — (IAQ) is a term referring to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. IAQ can be affected by microbial contaminants (mold, bacteria), gases (including… …
26Manapouri Power Station — Infobox Power Station station name = Manapouri Power Station caption = The Manapouri Power Station machine hall location = Fiordland, NZ coord|45|31|17|S|167|16|40|E|region:NZ type:landmark|display=inline,title owner = Meridian Energy Limited… …
27Manapouri Hydroelectric Power Station — Manapouri Power Station The Manapouri Power Station machine hall …
28petroleum production — Introduction recovery of crude oil and, often, associated natural gas from the Earth. petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and …
29tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
30Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus …
