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…

Plectranthus amboinicus (Lamiaceae family) is a fleshy succulent herb with distinct oregano like flavour and odour traditionally used as folk medicine and culinary purpose. This plant is rich with terpenoids that contributes to its numerous…

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…