英文關鍵字
1920
50i
bucket
builder
clay
communication
connection
construction
deep
digging
earth
equipment
excavator
footage
gastarbeiter
man
mechanisms
movie
one
pipes
pit
profession
soil
spade
special
transportation
video
work
worker
works
英文關鍵字
1920
50i
bucket
builder
clay
communication
connection
construction
deep
digging
earth
equipment
excavator
footage
gastarbeiter
man
mechanisms
movie
one
pipes
pit
profession
soil
spade
special
transportation
video
work
worker
works