Pantiliners, compared to sanitary pad, are smaller and thinner pads which are used to absorb light menstrual or vaginal discharges. However, at times, the users raised questions about potential adverse health effects it might bring for frequent…

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…