English to Russian Tech/Engineering Safety

Мойка под давлением

It shall specify how to deal with the LoF hazard due to possible loose tube plugs and the “cleaners” themselves.
Job Procedures:
The operator shall maintain a firm grip on the wand assembly when operating the unit.
The operator shall always have control of the failsafe operating valve.
The operator understands that:
The failsafe operating valve (wand trigger) shall never be bypassed, overridden, tied down or blocked open