風火水電 [风－－电]

Jyutping fung1 fo2 seoi2 din6
Pinyin fēng huǒ shuǐ diàn

Definitions (粵典–words.hk)
  1. 名詞、術語
    屋宇​設備​工程​中四個​範​疇​嘅​統​稱​，​分別​係​通風​、​消防安全​、​供水​同供電
    four aspects of building service engineering: heating, ventilation, and air conditioning (HVAC), fire service, plumbing and electricity; literally: wind, fire, water and electricity