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…

Epilepsy is known as one of the neurological disorders that will cause seizures, it is known as a sudden abnormal electrical activity that happened in the brain. Seizures usually cause abnormal muscle activity, sensations, and even the loss of…

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…