Lub plasma arc vuam thiab txiav txheej txheem yog tsim los ntawm Robert M. Gage nyob rau hauv 1953 thiab patented nyob rau hauv 1957. Cov txheej txheem yog tshwj xeeb nyob rau hauv uas nws muaj peev xwm ua tiav precision txiav thiab vuam ntawm ob nyias thiab tuab hlau. Nws kuj muaj peev xwm ntawm cov tshuaj tsuag txheej hardening hlau mus rau lwm yam hlau. Ib qho piv txwv yog cov tshuaj tsuag txheej ntawm cov turbine hniav ntawm lub hli khi Saturn foob pob hluav taws.
