Please prepare a text in Polish, which will contain 4 paragraphs about traveling by plane. The text should be general, without using any brand names: cities of countries or internet portals, etc. Written in simple, understandable sentences. 1. The first subparagraph should contain preliminary information about air transport - several historical facts, several facts about safety. In other words – introduction. 500-1000 characters with spaces. 2. The second paragraph should contain advice when to book flights. The general rule is to buy flights as early as possible when the cheapest classes are available. 500-1000 characters. 3. The third paragraph should contain information about the most popular aircrafts in Europe and in the world. Several popular machines (5 jets, 3 propellers), several advantages and several disadvantages of each of them. 500-1000 characters. 4. The last paragraph should contain information about the etiquette and good habits when traveling by plane. The paragraph should answer the following questions: how to behave at the airport (check-in, baggage); on a plane (boarding, taking places, coping with stress, what not to do).