In this interactive object, learners examine simplified sampling plans and tables based on the ANSI/ASQ Z1.4 standard. An exercise completes the activity.

Students read about the use of business cards in various countries and the customs that Americans should follow when presenting a card in those parts of the world.

In this interactive object, learners examine standard and metric thread specifications used in engineering drawings. In a brief quiz, they identify various internal and external thread representations.

Learners examine the proper formats for block letters, modified block letters, simplified letters, memos, e-mail messages, and envelopes.

The learner will be able to represent steady-state AC sinusoidal signals using phasors, which will lead to a simplified technique of analyzing AC circuits in a very similar way that we analyze DC circuits.