| Job Title |
Rock-drill Operator I |
| Job Description |
Drives And Operates Tractor-mounted Rock Drilling Machine To
Drill Explosive-charge Holes Through Hard Materials To
Facilitate Blasting Operations: Moves Lever To Set Out-rigger
Jacks To Level Machine. Verifies Level Of Machine, Using Spirit
Level. Inserts Steel Drill Or Rock Bit Into Chuck. Moves Levers
To Start, Stop, And Control Drilling Speed Of Machine. Drills
Holes And Observes Depth Gauge On Drill Stem To Verify Depth Of
Hole Specified By Blaster (any Industry). May Be Designated
According To Type Of Machine Operated As Reciprocating-drill
Operator (any Industry); Rotary-rock-drilling-machine Operator
(any Industry).
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