Came across this photo during a google search. This guy is obviously safety conscience or at least looking to prevent damage with his machine by placing a piece of plywood under his backhoe bucket to protect his concrete slab.
Kubota R510 Wheel Loader + Cab and backhoe, JD 6200 Open Station, Cushman 6150, 4x4, ten foot 56 hp Kubota diesel hydraulic wing mower, Steiner 430 Diesel Max, Kawasaki Diesel Mule, JD 4x2 Electric Gator
I have never understood how certain industries obviously consider that safe as a normal part of their operation. I don't even like approaching a drop off to dump something, fearing "something" might go wrong and I go over the edge.