block

bulldozer

construction

cube

cut

digging

dump

dust

earth

engine

environment

equipment

excavator

extraction

factory

gear

granite

gravel

hard

hardness

heavy

industrial

industry

job

landscape

machine

machinery

manufacture

marble

material

mechanism

metal

mineral

mining

mountain

natural

nature

pile

pit

power

powerful

quarry

raw

rock

rubble

steel

stone

technical

technology

work