These are herbal handmade soaps from the finest herbs and pure essential oils without parabens and artificial fragrances. The benefit of aromatherapy is, the aromatic oils can be detected by cells in the olfactory systems which are closely-linked…

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…