Dumper fail electric cable machinery electrocution,do not even touching powerline Amazing excavators at work, trucks-dumpers,wheel loaders, bulldozers in action,heavy transportations, cat - caterpillar, Komatsu, Liebherr, Volvo,hitachi,crushers and attachments working and digging in mud and mines for coal and quarries.Operator Skill excavator fail, bulldozer fails, top idiots, dump truck, machinery