英文關鍵字
activity
brown
build
builder
busyness
car
concrete
cover
dark
dig
dirt
dirty
drag
dust
geology
gray
heap
hired
industry
job
labor
land
man
material
old
outdoor
outdoors
pattern
rake
roadworks
rubble
sand
stone
street
suit
textured
tool
uniform
wheelbarrow
work
worker
workplace