Tihomir Čuljak
Transport bags are used to carry a large amount of equipment, clothing or other material. They are used by travelers, hikers, and soldiers. Special military units sometimes carry up to 70 kilograms of...
Shepherds are people who have to go where sheep, goats, cattle and other animals they keep go. In this movement, they must spend days outside populated areas, moving through bushes, forests and karst....
Increasing the amount of waste of all kinds generated by industry and the population is increasingly seeking to develop technologies for processing waste into new raw materials. This so-called circula...
The sails on today's sailing boats most often have a triangular shape. The surface of a triangular sail is twice smaller than a square sail of the same height and width. By placing square sails on...
Sailboats are vessels or boats powered by power wind. In the past, they were the most common type of vessel, while today they are used most on recreational yachts and sports vessels, but more recently...
In the last hundred years, all armies have been vigorously developing offensive weapons, but investing little in defense equipment. After the soldiers occupy some terrain, it is most important to quic...
Seafarers have long since begun to use lifejackets to given to crew in the event of a ship crash. Initially, these were rubber belts, and later, with the development of plastics, they would become muc...
Snipers are rifles with an optical sight aimed at destroying enemies over long distances, and can also be used for hunting. Snipers are used by specially trained soldiers, snipers trained to observe e...
A tricycle is a three-wheeled vehicle. It can't sidestep, and it starts off like a bicycle by pedaling with the rider's physical strength. The tricycle is most commonly used to carry one or tw...
Many innovators have been trying to make a car powered by photocells glued to the roof of a car. The problem is low power, and therefore low speed. For this car to be usable, photocells must first rec...
In recent years, in many countries, they did raised gardens have emerged. In some greenhouses, vegetables are grown on more floors. In Israel, some farmers breed strawberries in a meter raised with la...
In military vehicles in the war zone, the problem is mines are buried in the road. When a vehicle hits a buried mine, most of the mines explode in front of the front wheels above which the driver or p...
Compressed air is pressure-pressurized atmospheric air, which is used as a means for transferring and storing energy. When the air is pressed, its temperature rises. This temperature must what be remo...
Aerosol bombs are weapons that have been used in the war for decades. These are bombs that expel explosive gas that is explozsion blown up after blasting and causes a strong explosion. Compared to th...
Many people in the world occasionally made the boats on which they set their sailing gardens. Such gardens are usually very expensive. Some primitive peoples living in swampy areas have also made floa...
Californian worms have been bred for decades around the globe. They are used for the processing of manures, and is product high quality humus. Small breeders worms products for fishing, while big bree...
Bumpers, or fenders are the ship's equipment that protects the sides shackles of the boat from strokes in the docks while staying in the harbors. Fenders are usually made of solid rubber and are f...
Debarkation boats are military vehicles that serve to transfer soldiers to an enemy territory. Disembarkation is carried out on the coasts of the sea or in the rivers, and in places not foreseen for s...
Many people made a floating raft of plastic bottles. Empty plastic bottles are placed in nylon sacks, or nets. Wooden pallets are placed on this floating structure. This raft has a large load capacity...
Bunkers are military objects that protect against enemy fire, grenades and explosions. Their purpose is to protect people and equipment in the bunker. In World War II, the Germans had small mobile bun...
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Tihomir Čuljak
