Category Industries

HOW TO CHOOSE HYDRO SOLAR HOT WATER TANK

hot water tank

We offer you familiarizing yourself with recommendations of the choice of a solar water heating system for hot water supply. Solar split systems can adequately provide you with hot water supply, but they cannot completely replace traditional heat sources for…

What are bulletproof vests made off ?

bullet proof vest

Bulletproof vests are made of a material called kevlar. It is a plastic or polymer that was discovered in 1965 and is characterized by being stronger than steel, but at the same time more elastic than other material such as…