restraint device such as a pole strap, or is sliding down a slope less than that described for a free fall. Restraint belt A body belt designed for attachment to a restraint line and not designed for free fall or restrained fall. Restraint device (1) Includes all equipment such as headboards, sideposts, tail gates, anchor points, webbing and chains used to restrain a load on a vehicle. (2) A term used to describe safety equipment in motor vehicles which includes safety belts, child restraints and infant safety seats. Restraint line A line used to restrict the horizontal movement of the wearer and not designed for either free fall or restrained free fall. Restricted access area An area that all personnel are prohibited from entering during plant operation, with the exception of authorised personnel, who may enter the area for short periods to carry out process inspections and checks, sampling of product, and during emergency procedures. Restricted organism Any organism for which a containment approval has been granted in accordance with the Hazardous Substances and New Organisms Act 1996. Restricted visibility Under maritime rules means any condition in which visibility is restricted by fog, mist, falling snow, heavy rainstorms, sandstorms, or other similar causes. Restricted work Work in 1 or more of the following categories: (a) Work involving asbestos, if the asbestos concerned is friable and is or has been used in connection with thermal or acoustic insulation, or fire protection, in buildings, ships, structures, or vehicles: (b) Work involving asbestos,