1. O nwere hygroscopity siri ike. Ọkụ -}} na-enwekarị ohere ịnweta ihe na-egbochi ihe ndị dị ka magsion oxide, nke nwere obere isi na-agbaze na-agbaze. Agbanyeghị, otu ndọghachi azụ nke ịnweta ihe bụ hgroscopity ha hygroscopity ha siri ike, nke na-eme ka ha nwee ike ịnagide mmiri site na ikuku. Mgbe mkpuchi mkpuchi nke eriri ahụ na-enweta nnukwu mmiri, arụmọrụ ya ga-emetụta, nke nwere ike belata nguzogide ọkụ na arụmọrụ eletrik nke eriri ahụ
2. A machibidoro ụfọdụ eriri nke eriri eriri. Mmiri ma ọ bụ mmiri ga-abanye na mkpuchi mkpuchi mkpuchi site na eriri mkpuchi ma ọ bụ akwa nchekwa ikuku, wee pịa na ngwa ọ bụla nke eriri ahụ, si otú ahụ na-emebi usoro ike niile.
