No employer or user of machinery shall require or permit welding or flame cutting operations to be undertaken, unless -
(a) the person operating the equipment has been fully instructed in the safe operation and use of such
equipment and in the hazards which may arise from its use;
(b) effective protection is provided and used for the eyes and respiratory system and, where necessary, for the
face, hands, feet, legs, body and clothing of persons performing such operations, as well as against heat, incandescent or flying particles or dangerous radiation;
(c) leads and electrode holders are effectively insulated; and
(d) the workplace is effectively partitioned off where practicable and where not practicable all other persons
exposed to the hazards contemplated in paragraph (b) are warned and provided with suitable protective equipment.