Who invented the umbrella?
Function of umbrella
The main function of an umbrella is naturally to keep out the rain. When you go out on rainy days, you will see pedestrians in the street carrying colorful umbrellas. Umbrella also has the function of wind protection. If the wind outside is too strong, you can also go out with an umbrella, which can keep out the wind and avoid being hurt by the wind.
Umbrella made of UPF material has the function of shading, also known as sunshade. You need to hold an umbrella in summer to avoid sunburn or sunburn. The special function of the umbrella is to be a crutch. The British like to use it as a crutch, of course, because their feet have problems, and because they think it is a symbol of politeness and civilization, and it is a crutch of civilization in the eyes of the British.