Grade 8 Quiz Lesson 1 EIM

used to loosen or tighten screws with slotted heads. They come in various sizes and shapes.

• Screwdriver

• Standard Screw Driver

• Phillips Screw Driver

The blade tip is wedge-shaped and resembles a negative (-) sign. This is used to drive screws with a single slot head.

• Screwdriver

• Standard Screw Driver

• Phillips Screw Driver

This has a cross tip resembling a positive (+) sign. This is used to drive screws with cross slot heads

• Screwdriver

• Standard Screw Driver

• Phillips Screw Driver

Who invented Phillips Screw Driver?

• Phillip Salvador

• Henry Phillip

• Michael Phillips

This comes in either Standard or Philips screwdriver with short shank or blade and a shorted handle used to turn screws in tight spaces where a standard screwdriver cannot be used.

• Stubby Screwdriver

• Allen Screwdriver

• Claw Hammer

Its function is to drive screws with hexagonal slot heads.

• Stubby Screwdriver

• Allen Screwdriver

Is a hammer with one side of the head split and curved, used for extracting nails.

• Claw Hammer

• Mallet

• Ball-Peen

Illustrate Mallet tool.

Illustrate Ball Peen Hammer

Standard Voltage in Philippines.

• 110V

• 120V

• 220V

• 240V