Answer:
Isaac Newton is best know for his theory about the law of gravity, but his “Principia Mathematica” (1686) with its three laws of motion greatly influenced the Enlightenment in Europe.
Answer:
No more that three days before Halloween.
The sewing machine does most of the work making it easier and simpler for people wanting to use one.
There may be some set instructions helping to guide the way of the use of the sewing machine . Leaving it less dangerous.