Answer:
He created the first usable versions of scissors, portable bridges, diving suits, a mirror-grinding machine similar to those used to make telescopes, and a machine to produce screws.
He also built some of the first odometers used to measure land speed and anemometers, for measuring wind speed.
Is this a true or false question? If it is, its true. <span />
Natural elements of the ecosystem are often borderlands, for example rivers or mountains, the Great Lakes.
