yellow

metal

field

oil

steel

black

transfer

snow

smoke

industry

ecology

painted

price

product

pressure

work

heat

room

temperature

Pollution

profession

Russia

iron

torch

burning

vessel

barrel

training

gas

pipeline

lubricant

separation

steam

columns

boiler

siberia

bullet

combustion

pump

refinery

tanks

latch

heating

shaft

platforms

reagent

ladders

pollutant

rosneft

manometrical