Write short note on the following : Grader , Surface miner,Bucket wheel excavator
GRADER : Grader(or motor grader)is a mchine for grading,cleaning and leveling the houlroad.It does not lift the material,but just pushes the loose material or scrapes t material to level the ground. The wheel mounted diesel operated machine does all jobs with its long and strong blade has a replaceable cutting edge. Surf...