Tamping
Tamping , noun
1.
The act of one who tamps; specifically, the act of filling up a hole in a rock, or the branch of a mine, for the purpose of blasting the rock or exploding the mine.
2.
The material used in tamping. See Tamp, transitive verb, 1.
Collocations (1)
Tamping iron , an iron rod for beating down the earthy substance in tamping for blasting.