The demand for dry food and herbs is very high in the country. Most dried foods and herbs are exposed to bacteria during the drying process. To ensure the safety of dry food and herbs from being exposed to bacteria a heat house is needed. The Rumah…

The World was challenged by out-break of Coronavirus disease 2019 (COVID-19) in 2019 and it became Pandemic. At the beginning of pandemic, there were worries, uncertainties as well as misbeliefs and myths. A group of medical students at…

These days, water filtration method commonly uses chemically made substances. This could be harmful and the sources are limited. Activated carbon that is used in water filters are made from charcoal. Charcoal is non-renewable and has only a finite…