green

blue

expensive

sky

day

gold

field

plant

oil

golden

rich

tower

working

work

wheat

stage

clouds

exchange

rock

ukraine

point

repair

gasoline

station

pipe

gas

maintenance

repairman

Minerals

trumpet

lack

essence

pendulum

petroleum

rig

resin

pitch

petrol

servant

extract

duct

Benzine

naphtha

gasolene

troglodyte

oscillate

oil refining

mineral oil

oil production

rock oil