Annual Maintenance Contract Of The Air Conditioning System For Cooling In 04 Nos. Water Sprinklers 02 Nos. Bws 70 And 02 Nos. Ws 28-2, 04 Nos. Bd355 Chain Dozers, 03 Wheel Dozers, 07 Nos. Crane And 02 Nos. Motor Graders, 02 Tyre Handlers, For A Period Of 365 Days.