English to Italian Tech/Engineering Petroleum Eng/Sci reactors

A component in a reactor or other petroleum-involved plants and facilities:
"1) Where there is potential for a release of flammable material and fire, the safety watch should be trained and competent in the use of fire extinguishers, fire hoses and other available emergency equipment (e.g. a competent fire responder).
a) A trained fire responder would normally be required when opening a flare main where there is some valve let-by or a significant quantity of light distillate, and where pyrophorics are likely to be present."