機器
activity
background
calm
clay
construction
conveyor
crusher
dust
earth
equipment
giling
granite
gravel
gray
grey
grinding
heavy
industrial
industry
job
laboratory
machinery
material
metal
mill
millstone
mine
mineral
nobody
object
open
penggilingan
pit
plant
pound
prepare
processing
quarry
quarry crusher
quarrying
resources
rock
sand
stone
technology
traditional
work
yellow
zen