Oil refinery
The products of oil refining include diesel oil, petrol and lubricants.
7 – 12-р анги
Түлхүүр үгс
mozaLink
/Веб холбоос
The products of oil refining include diesel oil, petrol and lubricants.
7 – 12-р анги
Түлхүүр үгс
mozaLink
/Веб холбоос