英文關鍵字
alpha
animated
animation
background
barrel
barrels
channel
check
chip
crude
cycle
diesel
drilling
energy
equipment
exploration
fuel
game
gas
gasoline
gaz
industrial
industry
jack
machine
matte
metropolis
money
monopoly
natural
oil
oilwell
period
petroleum
pipe
pipeline
power
pump
pumpjack
red
toy
white