機器
architect
architecture
black
blueprint
builder
building
business
construction
crane
design
designer
development
draft
drawing
engineer
engineering
equipment
estate
fence
foreman
hammer
hard
hat
helmet
house
icon
illustration
industrial
industry
isolated
line
male
management
outline
palette
people
plan
planning
professional
project
real
renovation
road
scheme
thin
tool
work
worker