Unsafe material handling:
Picture This! Gravity 1, Workers 0 » SafetySmart
The link above takes us to a video wherein two persons unsuccessfully try to move a cable roll by rolling it up over stairs, leading to its roll down to the ground, shatter the glass panes of the entrance, speeding past to the street road. Though it is funny by watching the video, it is most dangerous act that could have endangered many lives in the building and on the road.