Tender For corrigendum : supply of augmentation of dpt shed c c - supply installation of 10 head hydrote , pneumatic testing bench 10 head , valve screwing unscrweing machine , air compressor for pneumatic testing p , vacuum cleaning machine for internal cle , hydraulic punching machine for lpg cylin , supporting testing tools for dpt facilit , 5 head degassing machine manual type til , shaft mount gearbox with iec motor adapt , 8 inch vapour extraction duct pipe , 8 inch bend for vapour extraction ducting , y section reducer for vapour extracti , vapour suction hood suitable for 8 inch ves