POST N°3 - My favourite piece of technology

My favorite piece of technology is not something too modern, I've been thinking about it for a while, and I think I'll choose the bike; a really practical and simple tool. I learned to handle it at the age of five and since then I have never stopped using it. I have always considered the bicycle the vehicle par excellence, since it is cheap (compared to other vehicles), it is ecological, does not require much maintenance or license to operate, and also, due to its mechanical system of operation, it is a good tool to exercise. Its operation is simple, greased chains move through two pedals, these they rotate a pair of wheels located one in front of the other. It depends on the type of bike they have different types of brakes and gears. Because I live in a commune far from my university and the places I frequent it is not my main means of transportation. For me it is a recreational instrument with which I disengage for a while from the univers...