When coming to building something, some materials are more vulnerable to water and can wear away easier. Some can keep the water in, so depending on the material, the water quality can be better sustained.
The presences of myelin allows an axon to conduct their signals rapidly
Northam Warren created the first commercial version of LIQUID NAIL POLISH in 1917.
As the name implies, the LIQUID NAIL POLISH is used on finger nails, to make it look more attractive and beautiful.
This was after he created the fingernail cuticle remover and nail polish in 1911, and nail tints in 1914.