The environment of the Navy Drafting shop directly reflects the vitality of the
shop and the abilities of the personnel assigned to it. It sets the mood for
creativity and productivity. Cleanliness, availability of supplies, and
equipment readiness are important to the environment of the shop and affects
the way a customer perceives the professional knowledge and capabilities of
The material in this chapter enables you to do the following:
Identify the angles created by the use of the 30/60- and 90-degree triangles
both alone and in combination.
Differentiate between standard cased instruments and special-purpose
Identify the steps in cleaning a technical pen with a reservoir.
Select the appropriate lead hardness for a detailed technical drawing.
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