Air-conditioning maintenance and alteration work often requires working at height, such as installation and repair at external walls, installation of air-conditioning duct, etc. Workers usually

Arc fault detection devices (AFDDs) complying with to IEC 62606 or equivalent are recommended as a means of providing additional protection against fire caused

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Applicants are reminded that it is an offence under the Prevention of Bribery Ordinance (Chapter 201 of the Laws of Hong Kong) to offer any advantages