keratin
The protein in epidermal cells that makes the skin relatively waterproof is called keratin. Keratin is a strong protein that forms a barrier to prevent water loss and protect against environmental damage.
Good drainage is vital to having a dry house. A solid foundation with the drainage system and a waterproof membrane are critical. The ground around the house needs to slope away from the foundation. A good roof also protects the house, as do the siding materials.
The Casparian strip is made waterproof primarily by the suberin, a waxy substance found in the cell walls of the endodermis in plant roots. This layer acts as a barrier to water and solutes, forcing them to pass through the cell membrane rather than around the cells, thus regulating the uptake of minerals and water into the plant.
The upper skin of the leaf has a layer of wax on it, called a cuticle. This makes the leaf waterproof. The upper skin of the leaf has a layer of wax on it, called a cuticle. This makes the leaf waterproof.
XCM a good waterproof case makes the Seawalker waterproof bag for PSP. anonymous@oola.com
Waterproof Band-Aids are touted as being able to stay on in water. What makes them different from regular Band-Aids is that a stronger adhesive is used.
Canon and Nikon both make travel bags that are waterproof.
Otterbox makes and AMAZING waterproof case. Otterbox Armor.
Tar paper is used as a moisture barrier between the plywood decking and the roofing materials.
What it can do is to make watercolor.(sometimes,it makes waterproof)
One well-known company that makes waterproof boots is Merrell. They are recognized for their outdoor footwear, including hiking and waterproof boots. Other notable brands include Columbia and Timberland, both of which also offer a range of waterproof boot options.
Underwater fishing cameras are made waterproof by rubber sealing around the housing to make sure no water can get inside the camera. They uses much thicker lenses to ensure they don't crack.