英文關鍵字
blast
blasting
bomb
building
burst
charge
construction
cut
damage
dangerous
day
demolition
destruction
detonation
detonator
dig
drill
drilling
dynamite
energy
environment
equipment
excavate
explosion
explosive
extreme
geological
hole
industrial
industry
metal
mine
mining
ore
power
preparation
quarry
red
rock
stone
technology
work