This document gives the safety requirements and measures for stationary and displaceable — surface planing machines, also called jointers, — thickness planing machines, also called planers or single surface planers, — combined surface/thickness planing machines with fixed cutterblock position, with an integrated feed in thicknessing mode, with or without demountable power feed device in planing mode and with manual loading and unloading of the work-piece, hereinafter referred to as "machines".