S.L. 427.19 Art. 27which allow pressure jet devices, safety jet machines readily various sites, or are and readily to be used at to another site with supply

High pressure waterjet machine

A machine with nozzles or other speed-increasing openings water, also with admixtures, to emerge as a free jet. In general, high machines consist of a drive, a pressure generator, hose lines, spraying mechanisms, controls and measurement devices. High pressure water may be mobile or stationary:

- mobile high pressure water jet machines are mobile, transportable machines which are designed to be used at and for this purpose are generally fitted with their own undergear vehicle-mounted. All necessary supply lines are flexible disconnectable - stationary high pressure water jet machines are designed one site for a length of time but capable of being moved with suitable equipment. Generally skid or frame-mounted line capable of being disconnected.