ClipArt ETC
Most boilers consist of a rotating drum called a tumbler through which heated air is circulated to evaporate the moisture from the load. The tumbler is rotated relatively fast in order to maintain space between the articles in the load.

Clothes Boiler

Most boilers consist of a rotating drum called a tumbler through which heated air is circulated to evaporate…

View of a radish, illustrating the root-hairs, which absorb most of the water the plant needs.

Radish

View of a radish, illustrating the root-hairs, which absorb most of the water the plant needs.