Plasma arc recycling

Humans are machines for turning the world into waste—at least that's how it seems. On average, every single person in the United States produces about 2kg (5lb) of trash per day, which...

Biological aerobic wastewater treatment

Biological wastewater treatment is an important and integral step of wastewater treatment system and it treats wastewater coming from either residential buildings or industries etc. It is often called as Secondary Treatment...
Ha Noi
scattered clouds
29 ° C
29 °
29 °
79 %
4.3kmh
39 %
T6
28 °
T7
31 °
CN
31 °
T2
29 °
T3
29 °