Jackhammers, etc

GWIT:
afbouwhamer [1] = jack hammer
afbouwhamer [2] = percussion-type cutter (om schuine insnijdingen te maken in gesteente)

boorhamer [1] = drill hammer; drilling hammer
boorhamer [2] = pneumatic hammer drill; jackhammer (pneumatisch) 

drilboor = bow drill; drill borer

OGL:
drilboor = hammer drill; percussion drill
afbikhamer = chipping hammer; scaling hammer
sloophamer = demolition hammer; jackhammer; breaker hammer
boorhamer = rotary hammer; rotary drill