Table 12: The Commission Observation on Exhaust Fan and Windows (Ventilation System) in Lock-up Condition of North and Middle ZoneLock-up South and East Coast Zone Lock- Sawarak & Sabah Zone Lock-up Windows/Exhaust up Fan No exhaust fan i. Jalan Patani i. Alor Gajah i. Lahad Datu ii. Datuk Keramat ii. Batu Pahat iii. Kota Setar iii. Tanah Merah iv. Kepala Batas (F) iv. Rantau Panjang v. ii. Ranau iii. Tabuan Jaya, Kuching Kubang Pasu (F) vi. Pelabuhan Klang (F) Damaged exhaust fan i. Tampin (M) ii. Melaka Tengah iii. Pontian Not enough exhaust i. K. Terengganu i. Sabah Contingent Central Lock-up fan ii. Penampang iii. Bintulu iv. Kuching No windows i. Kluang (male cell) i. Lahad Datu (female cell) ii. Batu Pahat Small windows i. Kepala Batas F = FemaleM= Male 81