Ceiling fan, spark plug..
1.Gypsum Borad (RG), 2.Fire Resistant Gypsum Borad (FR), 3.Moisture Resistant Gypsum Board (WR) 4.4 Sided Tapered Gypsum Board (FX 4TE) 5.Mouldboard - Mould & Moisture Resistant Gypsum Board (MWR) 6.Mouldboard - Mould, Moisture & Fire Resistant Gypsum Board (MWFR)