Lifting equipment

[2] As lifting equipment can be dangerous to use, it is a common subject of safety regulations in most countries, and heavy machinery usually requires certified workers to limit workplace injury.

Each country sets its own regulations, and enforces different aspects of workplace safety when using lifting equipment.

[3] Contractors are forced to uphold usually strict rules to ensure safety of workers.

[5] WLL as a concept is not restricted to lifting, being also relevant for mooring ropes.

[6] WLL is sometimes known as Safe Working Load, but this alternative term is sometimes avoided due to giving the connotation of safety, which may not be guaranteed.