Chapter hvac engineering Fundamentals: Part 1 Introduction

13.3.2
Drawing character
Line work, whether hand-drawn or computer- or plotter-generated,
should be clear, sharp, and accurate. Lettering should be neat, uni-
form, and legible. The appearance of the drawings can go far to es-
tablish the credibility—the acceptance or the lack of acceptance—of
the product, which is the design. Early in the development of
computer-aided design
(CAD) techniques, it was felt that computer-
Design Documentation: Drawings and Specifications
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