You rarely expose raw steel to the elements, unless itâs the weird kind that can build up a protective rusty coating. You usually paint it or dip-galvanize it or cadmium-plate it, and then it can last 50 years easy. Aluminum can be left out and it will be fine for 50 years, it will do better if painted or anodized.
Wicking is the absorption of a liquid by a material in the manner of a candle wick. Paper towels absorb liquid through capillary action, allowing a fluid to be transferred from a surface to the towel. The small pores of a sponge act as small capillaries, causing it to absorb a large amount of fluid.
LINK / CITE ADD TO WORD LIST. verb. Fracking is defined as hydraulic fracturing, which is a process of using a liquid at high pressure to make fractures in rocks that allow more natural gas or oil to be extracted. An example of fracking is what a drilling company does to try to increase the oil coming out of a well. the injection of water at high pressure into a borehole, in order to open underground fissures for the extraction of natural gas or oil.