All torch operators, an oxigen-fuel torch using any amount of oxigen and flamable gas and fire guards

must have a currentTodos los operadores de sopletes, un soplete de combustible de oxígeno que utilice

cualquier cantidad de oxígeno y gas inflamable y los protectores contra incendios deben tener una

corriente - Certificate of FitnessCertificado de aptitud

The Certificate of Fitness holderEl titular del Certificado de aptitud - must regulate the pressure and

flow of oxygen and natural gas...
Pearson Edexcel International GCSE (9–1) 4BI1/1BR 4SD0/1BR Biology UNIT: 4BI1 Science (Double Award) 4SD0 PAPER: 1BR QP + MS JUNE 2024
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