ash duuli waa ka hadhay a hadhay abuuray by dhirta tamarta dhuxusha-rasaas loo isticmaalo si ay u abuuraan korontada. Caadi ahaan loo arkaa wax soo saarka qashinka ah, ash duuli ayaa la sheegay in ay aad u noqon mid aad u

Waa hab fudud, waayo dabeecadda in la isu geeyo labada atamka hydrogen la mid eb ogsijiin si ay u abuuraan biyaha. Si kastaba ha ahaatee, biyo nadiif ah ayaa noqonaya mid sii kordheysa yar ay sabab u tahay in ka badan-isticmaalka, cimilada