- Crushed walnut shells.
- 2016-07-23 18:50
- petroleum
- 2015-12-03 17:05
- Crescent Point has more than 10 billion barrels (1.6109 m3)of original oil in place and a reserve life index of 14.3 yea
- natural gas
- 2015-12-03 17:04
- Natural gas is a multi-component gaseous fossil fuel mixing, its main component is alkanes. It is found mainly in oil an