This European Standard gives requirements for the types of industrial trucks specified in the scope of ENISO3691‑1 . This European Standard is intended to be used in conjunction with ENISO3691‑1 . These requirements are supplementary to those stated in ENISO3691‑1 with the addition of hazards, which can occur when operating in potentially explosive atmospheres. This European standard covers the following requirements: Electrical requirements Noise emissions Vibration Electromagnetic compatibility (EMC) This European standard defines supplementary requirements to ENISO3691‑1 : Travel speed Brakes Travel and breaking controls - Additional operation from alongside pedestrian-controlled and stand-on trucks Lift chains Mast tilt and carriage isolation Operator\'s seat Protection against crushing, shearing and trapping Visibility Information for use (instruction handbook and marking) AnnexA (informative) contains the list of significant hazards covered by this European Standard.