Answer:
1. Misuse can compromise the integrity of the tool by breaking the handle, bending the shaft or dulling the tip, making workers susceptible to hand injury when the tool is used correctly. To prevent injury and keep screwdrivers in shape, the council recommends: Do not use a screwdriver as a punch, wedge, pinch bar or pry.
2.You can apply more force or torque with these screwdriver compare to the flathead screwdriver. These types of woodworking screwdriver have less possibility to slip out. So they can damage on the head of the screw and the workpieces very low. To avoid damages, you should choose the exact screwdriver.
3. Tweezing has its place, but it shouldn't be used everywhere on the face or body. It's important to tweeze correctly to avoid developing ingrown hairs or irritating skin. Never tweeze nose hairs or hair growing out of a mole or pimple. Other forms of hair removal may be better for certain body areas.
4.But new research suggests that some vacuum cleaners may actually be making things worse, not better. Certain vacuum cleaners spit fine dust and bacteria back into the air, where they can spread infections and trigger allergies.
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