Cranes, Lifting Tools and Platforms Lifting Equipment; These sheet lifting apparatuses that must be used in pairs provide great convenience in installation and removal horizontally. It is sufficient to lift the sheets from width by inserting the 2-legged chains to the end of the sling (max. Angle 90). If the sheets to be lifted from the long side, the chain sling should be mounted to a lifting traverse. Lifting apparatus important: Chain slings max. lifting angle should be 90 degrees.