Name the machine it has the drill speed can be through a system of gears.

Name the machine it has the drill speed can be through a system of gears.
A. Pneumatic drilling machine
B. Ratchet drilling machine
C. Electrical hand drilling machine
D. Electrical hand Heavy duty drilling machine

DRILLING M/C QUESTION

Name the drilling m/c it is commonly used in structural fabrication work?
A. Ratchet drilling machine
B. Pneumatic drilling machine
C. Electrical hand drilling machine
D. Electrical hand heavy duty drilling machine