The activity is concerned with the manufacture of balloons, and there are three types of them, which are: 1- Airships that are flown: - a flying airship carries one or more pilots in a basket. Airships or Dirigibles) The navigational balloon is considered to carry passengers and cargo and air transport. Any gas lighter than air can be used to lift the balloon, such as hydrogen, helium, methane, ammonia (ammonia), natural gas and manufactured gas (extracted from coal or petroleum products) in add
