4:11

SAND LOADING AND GRAVEL CRUSHING OPERATION

3:14

SAND UNLOADING

3:28

SAND PILE OPERATION

4:30

BATTERY REFILL AND TESTING

4:46

REPLACE MAIN BATTERY SWITCH

2:06

BOOM REPAIR AND TESTING

4:45

CORRECTED ACCESSORIES WIRING CONNECTION

4:44

SOLDERING AND MODIFIED ORDINARY LIGHT BULB