a. The act of inserting and packing explosives and stemming in a shothole. See also: stemmer
b. The act of packing a drilled hole around a cartridge with fine dirt from the floor of a mine before blasting, to prevent a misdirection of the force of the blast. Korson
c. The material placed over a charge in a borehole, to better confine the force of the explosion to the lower part of the hole. Stauffer
d. Ramming down, as of ballast. Crispin
e. The operation of compacting freshly placed concrete by repeated blows. Taylor
f. The shaping of a semidry powder, e.g., of refractory material, in a mold by repeated blows delivered mechanically on the top mold plate. Dodd
Source:
Dictionary of Mining, Mineral, and Related Terms












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