Small volumes of high-speed material may also be generated early in the impact by jetting.
Similarly, the act of perforating can have a similar effect by jetting debris into the perforation channels.
Spoil can be removed by auger, compressed air or water jetting.
I understand that water companies are likely to specify its use in pressure jetting contracts.
The cleaning is done entirely by water washing and grit jetting.
This can be used as a condition of contract for jetting contractors.
So, air links are not just about jetting off on holiday, they are an economic lifeline.
Water was jetting up into the kitchen ceiling, and somebody had thrown an old mattress down to try to stop the flow.
