2、The solvent breaks down the bitumen, allowing it to be pumped out along with the propane, which can be reused.
1、The two wires may be sealed into a glass tube and the air can be pumped out.
3、The vaporized steam can be pumped out through vacuum exhaust pipe when the damp raw material absorbed heat.
5、At the heart of the global oil market is a mystery that can move markets and influence what drivers pay at the pump: How much more oil could be pumped out of the ground if needed?
4、Afew hundred million gallons of water will also be pumped out of the local aquifer each year.