Hazel H. Roberts

Best working day Breaker recycling process #619

Best working day PVC drainage pipe manufacturing process

#618

Best working day Tree bark stripping process

#616

Best working day The process of using an electric hammer on a dam
#615

Best working day Sheet metal stamping machine
#614

Best working day Boat for transportation of piles

#607

Best working day Fire pipe installation process
#606

Best working day The process of installing chips on the board using a machine
#605

Best working day Machine for cutting and straightening steel bars

#599

Best working day The process of tying old steel pipes
#596

Best working day The process of making a table

#590