Operate an oxygen cutting torch to cut metal, which uses an oxidation reaction combined with heat, allowing quick reaction with iron and steel but uneffective on other materials. Advance the flame at the right speed to allow the exothermic reaction to sustain itself through the thickness of the object to be cut.
DADOS FORNECIDOS PELA ESCO (COMISSÃO EUROPEIA) E O*NET (DEPARTAMENTO DO TRABALHO DOS EUA)