The Halah lipstick innovation is a breakthrough in the cosmetics industry, offering a natural, halal, and food-grade lipstick option. This ingenious invention incorporates responsibly sourced palm oil as the lipstick base, delivering a smooth and…

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…