浜辺
ballast
building
building industry
building material
bulk loading fabric
civil engineering
construction
construction engineering
construction technique
constructional material
development
digger
earth excavation
earth removal
earth works
earthwork
engineering
erection
excavating machine
excavation
excavation works
excavator
extractive industry
fabrication
generation
grading
grail
gravel
gravel aggregate
industry
loading
mining
open cast
production
winning