mittepurustaval kontrollil kasutatav veega mahapestav/eemaldatav penetrant (vt penetrant, lahustieemaldatav penetrant), a type of penetrant used in liquid penetrant inspection for revealing dicontinuities that are open to the surfacea of solid and essentially nonporous material (see: penetrant, solvent removable penetrant), a penetrant with built in emulsifier which makes it directly water-washable