Indonesia country is an archipelago country that still many areas that are still isolated and there is no electricity and electricity reachable by PLN. Whereas electricity or lighting is needed by the area so that the area is not behind in obtaining information that aims to promote the area and can increase the community’s productivity….
Water is the source of human life, animals, and plants. In human life, water is used in all areas of life. In household activities, water is used for drinking, washing, bathing and latrines. Someone in developed countries ordains 250 liters of water every day, while in developing or poor countries, the water requirement per day…
Feeding fish is one of the important things in the cultivation of fish. Unfortunately at this time the fish feeding system is generally still very dependent on human resources for its giving is still manual. Simple feeder by hand spread fish feed directly into the pool / fishpond. The use of the system has several…
Increase in the number of motor vehicles continue to increase, it is influential and can causing an increase in the level of accidents in the streets. Travel on a motorcycle is a job that demands a physical condition prhyme and strong. Preparation before driving and concentration during the journey it’s a very important thing. Before…
Basically, the catfish farmers in the country still use the traditional way in the cultivation of this mustachioed fish. So that the yield is not maximal. But along with the birth of new innovations are now modern catfish cultivation gives better yields to multiply. This makes some catfish farmers change the catfish cultivation of the…
The rise of motor robber that have lately made the concern of Linus Nara Pradhana students from SMAN 16 Surabaya to create something that could be useful for the safety of motorists from the threat of robber, the anti-robber helmet, this helmet is equipped with a tool capable of turning off the engine from a…