Palm leaf?
Steel and aluminum are used to make funs.
Fans (both electric ones and hand held ones) are used to create wind, mainly to speed evaporation. The speeding of evaporation is mainly done to make human bodies cooler, but it is also used in drying things recently washed with water (e.g., floors or automobiles). Fans are also used in some traditional cooking to oxygenate charcoal and make it burn hotter. Folding fans are also used as props by some traditional storytellers.
pudinhara
Not all fans are electrical devices, but many are. To be effective, a fan must have some source of energy input to cause them to move air. Many ancient cultures used hand-powered or hand-held fans. Older automobiles used mechanically powered fans, although most new cars now incorporate electric fans. Typical household fans, however, are powered by electrical motors.
Spring steel.
gold leaf
steel and more steel
They are used for the process of photosynthesis , that is preparing starch .
The fan can be found in applications as diverse as huge blowers used to bubble air through sewage water and industrial waste, to street cleaners and industrial leaf blowers.
The oldest existing Chinese fans are a pair of woven bamboo side-mounted fans from the 2nd century BC.In ancient Japan, hand fans, such as oval and silk fans was influenced greatly by the Chinese fans. The earliest visual depiction of fans in Japan dates back to the 6th century.Archaeological ruins and ancient texts show that fans were used in Ancient Greece at least since the 4th century BC and was known under the name rhipis.The folding fan was invented in Japan, with date ranging from the 6th to 9th century.
It is used to hand sew any fabric youself to make it to your suitability.