Metal plates that cover the top of the hawsepipe are called __________.
A
footings
B
plugs
C
buckler plates
D
stop waters
E
İlgili Sorular
A casing string that is run below the previous casing string, but does not extend to the wellhead i...Which types of portable fire extinguishers are designed for putting out electrical fires?If the Sun's observed altitude is 27°12', the zenith distance is __________.By regulation, cargo tank atmosphere must be inert before and during which operation?With an increase in temperature the volume of flammable and combustible liquids __________.