As hydroexcavator operator Joe Harp walked up to his co-worker to aid him on a job site, he suddenly felt like he had been shot with a BB gun.
“I turned my face away from the wand and immediately shut the water off,” Harp says.
He was running the wireless remote to the unit while his co-worker was running the dig wand. Harp knew he had just been hit by a rock.
“I was thinking that it just went under my shield, but after looking, I noticed a hole that was in my face shield that was in the same area
