Meanings

arrival and departure

generation of electricity

explosive blast (in construction, mining, etc.)

(school) recital

firing

sale

announcer

invention

opposition

repellent force

crime rate

necessity is the mother of invention

always hitting the bull's-eye

non-volatility

frequent occurrence

misfire

unexploded ordnance

strenuous efforts

concurrence

thermal power station (i.e. using combustion)