The Oregon Trail was very hard; people would walk for most of the day, and there weren't very many opportunities for fun.t was very tedious and exhausting, not much fun at all. About 1 in 10 people did not even survive the trip----it was that dangerous to follow the trail across the continent.
Turning is the machining operation that produces cylindrical parts. In its basic form, it can be defined as the machining of an external surface: with the cutting tool feeding parallel to the axis of the workpiece and at a distance that will remove the outer surface of the work.
Noun. 1. screwdriver-a hand tool for driving screws; has a tip that fits into the head of a screw. flat tip screwdriver-a screwdriver with a flat wedge-shaped tip that fits into a slot in the head of a screw. hand tool-a tool used with workers' hands.