Setting steel on a new job site, I saw the crane guy looking at his phone. My heart just DROPPED when the beam started to swing wild. Had to yell at the top of my lungs to get his attention. Luckily, nothing hit anyone, but it was WAY too close. Now I'm pushing for a strict no-phone rule on site.
High-strength bolting achieves the same structural integrity without the burn hazards and time sink.