Xabad qarxin, sidoo kale loo yaqaan qarxinta ciidda, polishing, saarista miridhku, nadiifinta, iwm, waa tignoolajiyada daaweynta dusha caadiga ah oo adeegsata birta degdega ah ee laga saaro ama walxaha aan birta ahayn si ay u saameeyaan dusha shay si loo gaaro ka saarista miridhku, wasakhaynta, kordhinta qallafsanaanta dusha sare, hagaajinta tayada dusha sare, iyo saamaynta kale. Habka farsamaynta farsamada.
Rasaasta qarxinta inta badan waxaa loo isticmaalaa daawaynta dusha sare iyo nadiifinta biraha iyo waxyaalaha aan biraha ahayn, sida baabuurta, baabuurta tareenada, qalabka farsamada, buundooyinka, dhismayaasha, dhuumaha, shubka iyo meelaha kale. Ma aha oo kaliya inay si wax ku ool ah uga saarto wasakhda sida miridhku, lakabka oksaydhka, rinjiga, sibidhka, boodhka, iwm.
Rasaasta qarxinta waxay inta badan u qaybsantaa laba nooc: Qarax hawo oo la isku riixo iyo toogasho farsamaysan. Qarxinta toogashada hawo-mareenka ah waxay isticmaashaa hawo cufan si ay u dhaliso qulqulka jet-xawaaraha sarreeya si ay u buufiso walxaha dusha sare ee shay si loo dhammaystiro nadiifinta, ka saar wasakhda dusha sare, lakabka oksaydhka, dahaarka, iwm.; qarxinta toogashada farsamaysan waa in lagu dul mariyo walxaha dusha shay iyada oo loo marayo taayir qarax leh oo si farsamaysan loo wado si loo dhamaystiro nadiifinta dusha sare, loo kordhiyo qallafsanaanta dusha sare, iyo hagaajinta ku dheggan dahaarka.
