We know that global temperature continues rising. Temperature on the earth’s surface rises because of the greenhouse effect. This phenomenon changes global climate and it makes weather unpredictable. Global warming is one of the important issues today in every country.
People need to feel safe and secure at their homes no matter how comfortable and lush your houses are, you will feel very uncomfortable if you don’t feel safe completely. Security system is one of prime concerns in today’s life.
Maybe you have had bad experience with the quality and hygiene of water you use in your home or your workplace. You find that the water is dirty and unsuitable to be used. It cannot be allowed, can it? If