how are sponges made
A sponge is a tool or cleaning aid consisting of porous material. Sponges are usually used for cleaning impervious surfaces.They are especially good at absorbing water and water-based solutions. Sponges are commonly made from cellulose wood fibers or foamed plastic polymers. sponge is a tool or cleaning aid consisting of porous material. Sponges are usually used for cleaning impervious surfaces.