500B.C(the punkah)
fan
Your mechanical valve is made of surgical steel. Magnets are attracted to steel.
There is a specific type of ceiling fan made for outdoor use. Outside ceiling fans are made with protective coatings and material to protect the motor casing to keep out moisture and other outdoor elements that could cause a regular, indoor fan to stop working.
Abrasion is Mechanical Weathering.
when was the first teloscope made?
The first "machine" was the Wheel
An electric fan is not "an mechanical energy". An electric fan converts electrical energy into mechanical energy (the movement of the fan blades, and hence, the movement of the air).
the first mechanical clock was made in 723 A.D. by a buddhist monk named Yi xiang
Italy
Douglas Englebart
in your mom
Electrical energy to mechanical energy. The fan does mechanical work in shifting the air which flows through it.
When the first humans made ​​their first tools.
Schulyer Wheeler invented the electric fan in 1886.
Yes
Made by Charles Babbage and evloved into a calculator
-- radio transmitter = electrical energy into electromagnetic energy -- microwave oven = heat energy -- electric motor = mechanical -- toaster = heat -- light bulb = heat and light -- battery charger = chemical -- blow drier = mechanical -- coffee percolator = mechanical -- electric fan= mechanical -- flashlight = light -- electric kitchen mixer = mechanical