action

activity

armature

assembling

assembly

base

board

build

builder

building

business

cement

communications

concrete

construction

contractor

cottage

crane

design

durability

employment

engineering

equipment

fitting

fittings

floor

form

formwork

foundation

frame

home

house

industrial

industry

infrastructure

installation

investment

iron

lowrise

private

residential

socle

steel

tape

tool

work

worker