How to Use "bitumen" with Example Sentences
- 1. The method involves a piece of copper covered with light sensitive bitumen .
- 2. Companies extract bitumen from a mix of quartz sand in an expensive and energy-intensive process .
- 3. Much of the initial investment was in oil sands highly viscous bitumen coated sand deposits found mainly in canada .
- 4. In their natural state , oil sands are made of quartz sand covered by layers of water and bitumen .
- 5. Typically it involves drilling wells to pump steam into the ground to melt the bitumen and make it easier to suck up to the surface .