Hong Kong Regulations

FACTORIES AND INDUSTRIAL UNDERTAKINGS (SPRAYING OF FLAMMABLE LIQUIDS) REGULATIONS - REGULATION 5

Ventilation

Where a flammable liquid spraying process is carried on either in a
spraying room or a spraying area, any such room or area, including in the case
of a spraying area any booth or cabinet within such area, shall be efficiently
ventilated to open air by mechanical means adequate to remove from any such
room, area, booth or cabinet any flammable vapour mist or spray arising from
the spraying process.