A tool feature added for convenience that turned out to be very unsafe and should never be used is the... CORRECT ANSWER Trigger Lock.
Before changing the blade or bit or doing any kind of repair... CORRECT ANSWER Unplug the Tool!
Before plugging in tools with on/off switches... CORRECT ANSWER Turn it off!
Most commonly used to make holes but with the right bit can be used as a sander, polisher, screwdriver, grinder, or countersink tool. CORRECT ANSWER Power Drill
If you can't loosen the drill chuck by hand to remove the drill bit then you probably need a... CORRECT ANSWER Chuck Key
These tools do not activate the hammering function until pressure is applied to the bit. CORRECT ANSWER Hammer Drill
When there is no electricity or high production is necessary then you need these kind of drills. CORRECT ANSWER Pneumatic Drills
A tool for cutting that has an adjustable blade depth and two blade guards, one of which moves
as you cut. CORRECT ANSWER Circular Saw
The width of the saw blade should be on the wasted side of the cut. That's called the... CORRECT ANSWER Kerf
Good for cutting intricate details or rounded cuts. Commonly called a Jigsaw CORRECT ANSWER Saber Saw