August 17, 2020 APPI – Laying of Reinforcement for Precast Slabs. The casting of precasting Slabs for GFWSS Work: Iron Framing for top cover plates, screen plates, stand post plates, Beams, social audit board, etc. APPI – Laying Of Reinforcement For Precast Slabs. ‹ › × × Flickr Album Gallery Powered By: WP Frank Tweet