The requirements of this standard shall apply to plastic sheet production machinery. Plastic sheet production machinery suppliers and users shall use the risk assessment process in the manufacture@ care@ and use of the machinery. Deviations from the requirements of this standard shall be based on a documented risk assessment. This standard also specifies safety requirements relating to the design and construction of multi-roll calenders intended for the processing of plastics and concerns the calender including all components fixed to its frame. Safety requirements of ancillary equipment used with plastic sheet production machinery are not covered by this standard.