Tags: rock drilling
J is for Jack The early days of drilling created a test of strength and endurance for miners. By Bill Langer Jack (n.) — used as a form of address for an unknown person — ‘It is common among schoolboys … to address ...
SUBSCRIBE & FOLLOW
- MSHA's top 25 most cited standards at stone facilities in 20151103 Views
- Obama proposes $10-per-barrel tax on oil production756 Views
- Rock and Bowl: Graniterock helps make the Super Bowl a success607 Views
- Obama says now is time to raise gas tax with oil prices plummeting433 Views
- Stockpile Reports launches bin and bunker measurement for stockpiled materials via iPhone, drone425 Views