ball
branch
capacity
chemical
circular
complex
compressed
dangerous
deposits
facility
factory
flammable
fuel
fuel storage
fuel tank
gas
gas reservoirs
hydrocarbons
industrial
industry
ladder
liquefied
lpg
manufacturing
natural gas
petrochemical
petrochemical products
petroleum
pipe
pipeline
plant
process
processing
production
propane
propane gas
refinery area
refinery platform
refinery tanks
reservoir
round
spheres
spherical
spherical reservoirs
staircase
stairs
storage
storage tanks
tank
technology