Thanks to Robin Whalley for this picture, which he took in a few years ago.

He says: “One-handed chainsaw style with potential for leg amputation followed by garotting by steel cable. Note the safety belt being restrained by a colleague.”

Email your “favourite” health and safety pictures to building@cmpi.biz. The sender of every picture published in the magazine receives a £25 drinks voucher. Terms and conditions: First correct answer wins. The editor’s decision is final. Please make the pictures as big as possible.