Cov ntaub ntawv dab tsi yog daim txhuam cev

Sponges yog tsim los ntawm ntau yam khoom siv ntuj tsim thiab hluavtaws. Ntuj sponges yog sau los ntawm hiav txwv, thiab lawv muaj li ntawm fibrous, fibrous skeletons ntawm daim txhuam cev, uas yog marine invertebrates. Lawv yog cov absorbent heev thiab exquisitely mos, ua rau lawv zoo tagnrho rau tu ilv thiab rhiab nto.

Synthetic sponges, ntawm qhov tod tes, yog tsim los ntawm ntau yam ntaub ntawv xws li polyurethane, cellulose, thiab lwm yam hluavtaws polymers. Lawv kuj tau tsim los nqus thiab tuav dej, tab sis lawv tsis tawg yooj yim li cov sponges ntuj, ua rau lawv ruaj khov thiab kav ntev.

Daim txhuam cev muaj ntau yam kev siv, xws li kev tsim kho kev lag luam raws li cov khoom siv rwb thaiv tsev vim nws muaj peev xwm nqus suab thiab rwb thaiv tsev kub. Nws kuj yog siv los ua cov khoom siv cushioning hauv cov rooj tog zaum thiab lwm yam khoom los muab softness thiab kev nplij siab.