Fig: Working of Septic Tank. Design of Septic Tank The capacity of septic tank depends on number of users and interval of sludge removal. Normally sludge should be removed every 2 years. The liquid ...

Southeast Asia, sometimes referred to as the open growth center of the world, continues to experience rapid economic ...

The weather is warming up and before you know it, the sweltering Michigan heat will drive large groups of people to the water. Cooling off in the lake or pool ...