What is waste?

        Waste is that material in which uses and no use of product are involved. The waste is described as a means to use or reuse, where the holder needs to be required, intentionally or rejected. The term "waste" and "wasting" is human derived terminology. Waste is not present in nature and it can be break by composting everything in nature. The waste was the first time is using for to improving the life of humans. For example, packaging is used for safety of food and product and this will end up as waste. Waste can be solid, liquid or gas.

Solid Waste

        The brief introductions of the problems are included in this section. Just like as a "solid waste" can be named to make it variable that is liquid which can be disposed off through pipe. Solid waste needs a systematic management for reducing its negative impact for the peoples and the environment. According to the Act of 672, solid waste may occur in categories number one commercial solid waste number two construction solid waste, number three domestic solid waste, number four industrial solid waste, number five solid waste, number six imported solid waste, number seven public Solid waste, number eight solid waste which can be determined from time to time. Malaysia produces 33 kilograms of solid waste per day, where the highest percentage of domestic household is 65%, then the business and institution comes with 28% of the percentage and finally the industry is 7%.

Liquid Waste

        Now a day’s Liquid waste has become a major problem around the world, 71% of the earth is being covered in water because of land. According to the Environmental Protection Agency (EPA) in the United States, liquid waste is described as any waste material that passes through the definition of "liquid", which means 75% of the difference in pressure. I'm able to move through 0.45 micron filters. A liquid waste is one of the very important parts of waste management because it is very difficult to deal with concrete waste. Liquid waste cannot be easily removed from the environment because it cannot pick up. Liquid waste can also take items such as soil and ground water and it supply to the plant which we eat, in which we are protected from pollution, environmental system as well as animals in the pollution area by pollution.

Gaseous waste

        It includes the product waste in the form of gas which is generated from various human activities as material consumption, manufacturing, biological processes and processing. Few other examples for the production of gases waste are fast in houses like wood, coal, and dust, motor vehicles and industries in agriculture and gases passing through fertilizers and insect gas. They also smoke. The waste of gases in which commonly includes gases of carbon that are oxide of carbon, nitrogen oxides, sulfur dioxide, carbon monoxide, methane and hydrocarbons.