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This new Tip offers concise advice for avoiding dimensional inaccuracies.

Drafting Practices and Standards Manual
The most comprehensive, up-to-date encyclopedia of mechanical drafting information available anywhere.

• Search the on-line version of this Manual for your topic or mechanical drawing standard of interest.
• Browse the Manual's Table of Contents
• View the Index to see the subjects covered in the Manual.
• See a list of proposed changes to the Y14.5 Geometric Dimensioning and Tolerancing (GD&T) Standard.
• Every two weeks, Drafting Zone Guest Members get to preview a different featured section of the on-line Manual. Section currently available for preview: Seciton 5.3 - Multiview and Sectional Views.

• This new TIp offers concise advice for avoiding dimensional inaccuracies.
  
• Updated GD&T Symbol Lookup - Now includes all new and revised symbols required by Y14.5-2009.
  
• Discussions of Drafting Standards and the Genium Drafting Manual.
  

Ask Gary Whitmire Technical Q&A
Drafting Zone Subscribers can ask Drafting Standards expert, Gary Whitmire, specific technical questions. Although Drafting Zone Guest Members can't ask questions, they can review Gary's responses to questions asked by Zone Subscribers.

GD&T Study Zone
Interactive resources that help users learn and better understand the key technical concepts of Geometric Dimensioning & Tolerancing. Drafting Zone Subscribers use these resources to more accurately apply GD&T to their drawings and to prepare for the ASME GD&T Certification Exam. Drafting Zone Guest Members have access to the following:

• Think you know GD&T? Take this 25-question quiz and see how well you do.
• Use handy on-line look-ups to find the GD&T Symbols and GD&T Frames you need.
• Reference one of the most extensive Glossaries of GD&T Terms ever published.