How does the wall drilling machine automatically supply water?
Disadvantages: operation more trouble, you need to hang the bucket may also have two people work at the same time.
2, in the case of no water source site, hanging a bucket of water to the top of the drill pipe using the level of pressure drop.
Plus water hose one end of the tap water head, one end of the machine hook head, shortcomings: often with a body to bring a twenty meters of leather, the volume is not small Oh.
The most common method is to use the pressure of tap water to add water to the machine.
