The Floating Farming System (SPAK) is an innovation created for the purpose of rehabilitate abandoned mining ponds. This technology allows the plants to be planted floating above the pond. This technology is primarily intended to supplement the…

Hazardous gas detection is a tool specially developed to detect liquid petroleum gas and natural gas at the minimum concentration of gas in the air is 200 ppm and the maximum concentration of gas in the air is 10 000 ppm. Design and build a…