This is a thin solid line directing attention to a note or dimension and starting with an arrowhead or dot:

The most common geometric form used in gears today is this:

In this type of view, the cutting plane line indicates both the location of the cutting plane and the direction of sight…

The set square are made up straight surface : </p>

Most architectural firms and mechanical design companies utilize different categories of blocks. These sets of blocks ar…

A half-moon protractor is divided into how many degrees?

To insure that everyone understands what the electrical symbols represent it is customary to include a ________ on the e…

Drafters should use a ________ in a section view of a mechanical part that includes the cylindrical view of a threaded h…