機器
architect
blueprint
business
construction
crude
deep
derrick
drawing
drill
energy
engineering
exploration
extraction
fossil
fuel
gas
gasoline
geometric
graph
graphic
grid
idea
illustration
industry
line
mining
oil
petroleum
pipe
plan
platform
pollution
print
production
project
pump
refinery
resource
rig
scale
silhouette
sketch
technical
texture
tower
well
white
wireframe