What can go wrong? -- the ventilation crew

[Music] this is the ventilation crew about to erect a temporary check curtain to assure adequate air flow at the working faces just as in many cases the foreman selected this place because it is convenient and the curtains could be installed with minimum work he did not consider that by placing the check curtain here he was creating a serious Hazard for the shuttle car Operator by hiding these dangerous low crossbars [Music]