Nzvimbo yesimbi yakapfurwa nekuputika uye kubvisa ngura haina mavara emafuta anooneka, uye hapana yakasununguka.
zvakabatanidzwa senge oxide ganda, ngura, pendi coating, nezvimwe.
Mushure mekupfura kuputika uye kubvisa ngura, pamusoro pesimbi inofanira kunge isina mavara anooneka emafuta, chiyero, ngura, machira epende, uye tsvina, uye zvakasara zvinofanira kusungirirwa zvakasimba.
Nzvimbo yesimbi yakapfurwa nekuputika uye kubvisa ngura haifanirwe kunge iine zvinobatika zvinooneka semafuta emafuta, chikero, ngura, uye pendi coatings, uye chero asara maronda anofanira kungoita makwapa emavara madiki ari muchimiro chemavara kana mitsetse.
Pamusoro pesimbi mushure mekuputika uye kubvisa ngura haina zvinhu zvinooneka zvakadai semafuta emafuta, zvikero zve oxide, ngura, uye pendi, uye pamusoro payo inopa yunifomu uye inofanana simbi inopenya.