请根据下面短文回答下列题： No one wants to be caught in the rain without an umbrella. Umbrellas come in different shapes and sizes. Many of them can be put into bags in case of a sudden rain. Just about everyone owns an umbrella, but not many of us give them a second thought. People don’t know exactly where the first umbrella came into being. Some say Egypt (埃及) while others say China. What is for sure is that they’ve been around a very long time. They weren’t used to protect people from the rain, however. They were used to keep people from the sun. Women were the first people to carry umbrellas. In 1750, an Englishman decided to carry an umbrella everywhere he went, and he became the center of people’s talk. Not caring about the laughs of those around him, he carried his umbrella for 30 years. Then, it became OK for men to carry umbrellas. Because they were firstly made of wood, umbrellas were not only expensive, but also difficult to use. In 1852, Samuel Fox made some changes. Since then, they’ve developed. We now have umbrellas for the rain and sun. We use them almost everywhere. Most umbrellas are ______.