"Post-Warranty Service And Maintenance, Prevention, Diagnosis And Repair Of Agricultural Machines, Machines For Carrying Out Excavation And Bulk Works, Construction Machines And Equipment (Including Tractors, Bulldozers, Excavators, Backhoe Loaders, Snow Blowers, Etc.) , For The Needs Of Tp Dls "Chepino" For A Period Of 24 Months.