空くう気きハンマー

く

う

き

ハ

ン

マ

ー

Meanings

1

noun

pneumatic hammer; air hammer

A power tool that uses compressed air to deliver repeated blows, used in construction, metalworking, or demolition.

empty, sky, void

気spirit, mind, air

削さく岩がん機き
削岩機 is a rock drill, often larger and used for drilling into rock, while 空気ハンマー is a more general pneumatic hammer for chipping or demolition.
電でん動どうハンマー
電動ハンマー is an electric hammer, powered by electricity rather than compressed air.

Compound of 空気 (くうき, 'air') and ハンマー ('hammer'), a straightforward loanword-based technical term.