R 408.15805 Definitions; S to Y.

Rule 5805. (1) "Safety factor" means the ratio of the braking strength of a piece of material or object to maximum designed load or stress applied when in use. (2) “Travel restraint system” means a combination of an anchorage, anchorage connector, lanyard, or other means of connection, and body support that an employer uses to eliminate the possibility of an employee going over the edge of a walking-working surface. (3) "Vehicle" means any carrier that is not manually propelled. (4) "Vehicle-mounted elevating and rotating work platform" means an aerial device or aerial work platform. (5) "Vertical tower" means an aerial device designed to elevate a platform in a substantially vertical axis on a level surface. (6) "Yield point" means the point where material begins to take a permanent deformation.