Tags: Fresnel lenses
A California quarry uses the power of the sun to provide energy for its hot-mix plant. Granite Construction Inc. is proactive when it comes to new technology, especially where the environment is concerned. “We’re engineers and employees who are very interested ...
SUBSCRIBE & FOLLOW
- Vulcan Materials to meet August deadline for restoring eastern hillside of Azusa rock quarry479 Views
- MSHA Fatality Review Committee determines several fatalities are chargeable to the mining industry339 Views
- PHOTOS: Caterpillar: Modern Earthmoving Marvels traces equipment evolution219 Views
- Kingsteps Quarry in Scotland will be examined for the remains of World War II planes213 Views
- Holcim and Lafarge nominate candidates for merged company’s board of directors197 Views