Answer:
It was James Madison (the 4th president of the USA)
Explanation:
He wrote the Bill of Rights for the constitution! (Sorry if wrong!)
Not sure but i am going to guess construction, farming, and medical
Answer: A cylindrical grinder may have multiple grinding wheels. The work piece is rotated and fed past the wheel(s) to form a cylinder. It is used to make precision rods, tubes, bearing races, bushings, and many other parts.
Faulty material in and on the ship