Question

a technicians toolbox contains a wide variety of wrenches of all different shapes and sizes; each wrench designed for a specific task or application. most wrenches are made from a steel - alloy called chromium - vanadium (cr - v). in production, wrenches are heat - treated and chrome - plated after being pressed into the correct shape. this process enhances the properties of the tool; making it less brittle (breakable) and more wear resistant. 1 what material(s) are wrenches commonly made of? iron - oxide. brass. chromium - vanadium. stainless steel.

Explanation:

The text states that most wrenches are made from a steel - alloy called Chromium - Vanadium (Cr - V). There is no mention of iron - oxide, brass, or stainless steel in the provided text as common materials for wrenches.

Answer:

C. Chromium - Vanadium