Search images on the internet, steampunk is an alternative reality where everything is running on steam power(instead of electricity,petrol etc.) and steam engines. Mostly gears are used to transfer the energy generated from the steam.

most of the gadgets/inventions tools are made from bronze and copper and brass and other valuable metals. Can be in both future and past, there can be techonogies that have not been invented yet, or some current they technology may not exist,

And everyone alawys wears some sort of protective glasses (because everywhere is steam?) on their eyes or head.