Question

defined as: used in technical drawing, math & geometry, engineering, carpentry, and print fields
○ stopwatch
○ clock
○ ruler
○ notebook
○ safety glasses

defined as: protective eye - wear that usually enclose or protect the area surrounding the eye in order to prevent particulates, water or chemicals from striking the eyes.
○ hard lens
○ notebook
○ measuring cup
○ ruler
○ safety glasses

Explanation:

First Question:

The definition mentions use in technical drawing, math & geometry, engineering, carpentry, and print fields. A ruler is a tool used for measuring and drawing straight lines, which fits these applications. Stopwatch and clock are for time, notebook is for writing, and safety glasses are for eye protection, so they don't match.

The definition is about protective eye - wear to prevent particles, water, or chemicals from hitting the eyes. Safety glasses are designed for this purpose. Hard lens is a part of glasses, notebook is for writing, measuring cup is for measuring volume, and ruler is for measuring/drawing, so they don't match.

Answer:

C. Ruler

Second Question: