relatively thin refractory coatings applied to a objects by a plating process in which heated powder particles are shot in bursts from a gun barrel by rapidly successive oxy-acetylene explosions and impacted into the object surfaces (see: flame spray), suhteliselt õhuke pinne, mis saadakse pindamisprotsessiga, mille korral kuumutatud pulbriosakesed tulistatakse hapnik-atsetüleeni plahvatuse tulemusena torust objekti pinnale (vt tavaleekpihustus)