When the excavator digs a deep hole, the walls must be secured with sheet piling, otherwise the sand will slide into the hole. Arif and Eddy have found the broken pipe and are repairing it. Then they will continue digging.
When the excavator digs a deep hole, the walls must be secured with sheet piling, otherwise the sand will slide into the hole. Arif and Eddy have found the broken pipe and are repairing it. Then they will continue digging.