gaaskeevituse protsess/operatsioon, mille puhul liitekohta sulatav kõrgtemperatuurne gaasileek saadakse atsetüleeni põlemisel hapnikus (vt gaaskeevitus), an oxyfuel gas welding process that produces coalescence of metals by heating them with a gas flame or flames obtained from the combustion of acetylene with oxygen; the process may be used with or without application of pressure and with or without the use of filler metal (see: oxyfuel gas welding)