1988
Varnish it.
Water proof paper has a layer of Waterproofing material such as silicone polymers which are water repellents as the water comes in touch with the paper it flows from it like water sprayed on non porous surfaces. Application of wax is another common procedure, Waxing seals the pores in the surface of paper so it doesn't absorb water.
When folded correctly it can be waterproof
The paper was invented by draining fibers of wood into water and then after that it was compressed together.
It depends on what it was designed for. "Enamel-coated" paper is designed so that printing inks stay on the surface of the paper and not soak in. Depending on the top treatment used for the paper, it can be smudge-resistant, water-resistant of water-proof, etc.
Mainly cement. The Romans invented cement that was water proof and they used it for everything.
It was invented around 1850 and we invented it because we would have to use leaves if we did not have toilet paper. it would be very bad. some people was back when used a stick and a sponge and wet it in salt water and ect........
1. Who invented paper?
the # 1 rarest silly band is the phenox there is proof in the news paper interview with the guy who invented them and i had to buy 5 packs to find the phenox.
the Han Dnasty invented paper:)
If you're talking about who invented paper. Ancient Egypt invented the paper
The Ancient Chinese invented paper and money. Money was invented by the first king of China and paper was invented by a man in China by bamboo.