For sheets to be bound in looseleaf folders or spiral-type bindings Done by a special machine that has a row of drills, which can penetrate a greater thickness of sheets than can punches
The act of boring a hole (1) to determine whether minerals are present in commercially recoverable quantities and (2) to accomplish production of the minerals (including drilling to inject fluids) Exploratory Drilling to locate probable mineral deposits or to establish the nature of geological structures; such wells may not be capable of production if minerals are discovered
The use of such a machine to create holes for exploration or for loading with explosives
The intensive and repetitive practice of the target language, which may be choral or individual
(v) A process that uses a rotating cutting tool to produce holes It can also refer more specifically to a process that produces holes using twist drill bits