That's very possible but it seems that this was just being used as a table to drill upon and not just once but at least 8-11 times. Why would one strain to reac

That's very possible but it seems that this was just being used as a table to drill upon and not just once but at least 8-11 times. Why would one strain to reach, line of sight or not, to use this as a table when surely some other affordance is closer. How about two guys, one on the others shoulders, they get up there, find they need to drill a bunch of holes into the component they're trying to install. Now it's more trouble to come down and do it right. "Just hurry up, you're heavy!"