Learners test their spelling ability by identifying misspelled words from lists of words commonly used in business.

In this animated object, learners identify the basic parts and operation of a crank slider mechanism. They also follow the steps to use rotational input velocity to determine the linear output velocity of a slider component.

Using this learning object, students will be able to assess their knowledge of cylindrical grinder components.

The purpose of the conveyor and how it accomplishes its objective.

The student reviews definitions of your/you're and completes a practice exercise.

Learners examine first and second approximations and view examples of a "stiff" current source.

Robotic welding is an increasingly popular tool used in industrial welding applications. Knowing how to program the robot is key. Explore how to improve your programming skills by using if-then-else, calls, unconditional jumps, and counters in this learning activity.

Learners observe how to cascade PLC counters to extend the maximum count of one counter.

In this animated and interactive object, learners follow three steps to calibrate an opposed optical sensor. They consider horizontal alignment, the sensitivity setting, and having an effective beam.

This screencast shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.

In this animated activity, learners examine how cavitation occurs in a hydraulic pump. A video clip is included. Learners then test their knowledge in a brief quiz.

In this animated object, learners examine the situation that occurs when any two links of a mechanism lie in the same plane or on a straight line. Crank-sliders and crank-rockers are shown.

In this learning activity you'll review definitions of cite, site, and sight and completes practice exercises.

In this learning activity you'll interpret phone messages to create a fax or a memo.

This video will demonstrate how to cut tapers on an engine lathe using the taper attachment.

The student reviews definitions of coarse/course and completes a practice exercise.

In this interactive and animated object, learners examine open and closed head injuries and the common causes and symptoms related to them.

This document gives an overview of chuck maintenance.

In this animated activity, students read directions on how to calibrate a thermometer.

The learner reads an explanation of how to determine lengths for tubing and pipe bending and then performs calculations in an interactive exercise. Two methods for determining angle bends are shown. A calculator is required.