Daaweynta dusha sare waa hab macmal ah oo loo sameeyo lakab dusha sare leh oo leh qalabyo farsamo, jireed iyo kiimiko oo kala duwan oo ka soo baxa substrate ku yaal dusha sare ee substrate-ka, waa in la nadiifiyo, la xaaqo, la gooyo, hoos u dhigo, oo la gooyo dusha sare ee dusha shaqada.
Ujeedada daaweynta dusha sare waa in la daboolo caabbinta daxalka, xirashada caabbinta, qurxinta ama shuruudaha kale ee gaarka ah ee alaabta iyo qaybaha mashiinka.