______ Are Very Useful for Horizontal Transportation of Materials Like

Q3: in order to raise and shift heavy

Q4: the removal of earth for highway formation

Q5: the trucks with automatic unloading device are

Q6: _ are cranes of swing jib type

Q7: _ type of excavator is used for

Q9: _ type of excavator carries the skimmer

Q10: _ crane is used for open sites

Q11: _ type of excavator used for digging

Q12: _ are used for vertical transportation of

Q13: _ are extra wagons attached to the