DRILLER, MACHINE

Domain	Definition
Occupations	Sets up and operates self-propelled or truck-mounted drilling machine to bore blasting holes in overburden at strip mine, open pit, quarry, or construction site: Positions and stabilizes machine, using jacks, and lowers drill shaft into position. Moves levers to start and advance drill into overburden, ore, or rock formation. Stops drill to install additional drill stems. Observes operation to detect binding or stoppage of drill. Removes drill when specified depth has been reached. Replaces broken or worn parts, using handtools, and lubricates equipment. May charge and set off explosives in blasting holes. May be assisted by DRILLER HELPER (construction; mine & quarry). May be designated according to type of drill operated as Tractor-Drill Operator (construction; mine & quarry); Rotary-Drill Operator (construction; mine & quarry); Wagon-Drill Operator (construction; mine & quarry). (references)
	Tends single-spindle drilling machine that drills holes in glass products, such as panes, mirrors, picture glass, furniture tops, and ornamental glass: Positions pattern on glass and marks glass for drilling, or measures and marks glass, using ruler and crayon. Positions glass on felt-covered table beneath drill, starts drill, and pulls lever to lower drill against glass. Squirts coolant from can onto drill during boring. Raises drill, removes glass, and wipes glass clean with cloth. May sharpen bits, using diamond grinding wheel. May nail or clamp stops to table to hold glass in position. (references)
Source: compiled by the editor from various references; see credits.

Anagrams: DRILLER, MACHINE

Scrabble® Enable2K-Verified Anagrams
	Words within the letters ",-a-c-d-e-e-h-i-i-l-l-m-n-r-r"
	-5 letters: chandelier.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.