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.
Screwdrivers are tools used to press screws into wood, metal, or other materials by turning them at the driver-screw interface. Two general types of screwdrivers exist: power drivers and manual drivers. Manual drivers are turned by handPower drivers feature motors, usually electric motors, to turn the driver head. The type of head on the driver will also vary significantly according to what type of screw is being used.