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   English
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verb | noun | to phrases
drilling The act of boring holes in the earth for finding water or oil, for geologic surveys, etc. ['drɪlɪŋ] v
environ. bòring
 English thesaurus
drilling ['drɪlɪŋ] abbr.
abbr. one-stop milling (ssn); turning and grinding (ssn)
abbr., oil drig
drilling: 3 phrases in 1 subject
Environment3