Tool Marks

Front

What are tool marks?

Back

Tool marks are impressions or scratches left on a surface by a tool during its use, which can be used for forensic analysis.

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What is an indentation mark?

Back

An indentation mark is a type of tool mark that occurs when a tool presses into a softer material, leaving a distinct impression.

Front

What is a sliding mark?

Back

A sliding mark is created when a tool slides across a surface, leaving a scratch or groove.

Front

What is a cutting mark?

Back

A cutting mark is produced when a tool cuts through a material, resulting in a clean edge or groove.

Front

What is the purpose of a claw hammer?

Back

A claw hammer is used for driving nails into wood and removing them, characterized by its two ends: a flat striking surface and a forked claw.

Front

What is a combination wrench?

Back

A combination wrench has an open-end and a box-end, allowing it to fit various sizes of nuts and bolts.

Front

What is a flare nut wrench?

Back

A flare nut wrench is designed to grip the sides of a nut or bolt, preventing rounding off, especially on soft materials.

Front

What is a box wrench?

Back

A box wrench has a closed end that fits over a nut or bolt, providing a secure grip for turning.

Front

What is the function of pliers?

Back

Pliers are used for gripping, bending, and cutting wire and other materials.

Front

What is a Philips screwdriver?

Back

A Philips screwdriver is a tool with a cross-shaped tip designed to fit into the corresponding cross-shaped screw head.