Describes requirements for the design and construction of injection moulding machines for plastics and rubber. Does not cover machines on which the clamping unit can only be operated by the physical force of the operator, machines for reaction injection moulding, machines for direct-on sole injection and rotary table machines. includes definition of injection moulding machines and terminology, hazards and principal areas of danger, general requirements for electrical equipment, safety systems for mobile guards, guards for the mould area, guards for the nozzle area, feed aperture area, core and ejector area, discharge aperture, hot machine parts, additional safety measures for large machines and safety precautions.