Belts are moved between fast and loose pulleys only with suitable striking gear or another efficient mechanical appliance, provided and maintained for the purpose and built and placed so the belt cannot creep back onto the fast pulley. In judging whether an unfenced part is safe, no account is taken of a person examining, lubricating or adjusting machinery in motion where that is immediately necessary, or of continuous processes the Commissioner certifies, but only where the person is sufficiently trained, acquainted with the dangers, instructed on emergency steps and watched by someone immediately available, and any ladder used is securely fixed, lashed or footed. On each power-driven machine, any set-screw, bolt or key found on a revolving shaft, spindle, wheel or pinion is sunk, encased or effectively guarded and all spur, toothed or friction gearing not needing frequent adjustment in motion is completely encased unless safe by position; selling or hiring a non-compliant machine for use in a workplace is an offence. No traversing part of a self-acting machine or material it carries runs within five centimetres of a fixed structure across a space people may pass through, and instructions keep workers out of the gap between a self-acting spinning mule's traversing part and the fixed parts it moves toward except while the machine is stopped and its traversing part rests on the outward run.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.