The learner will understand the design of a planetary gear drive and its advantages and disadvantages.

In this learning activity you'll describe the operation of an AND gate by using a truth table, a waveform diagram, a Boolean Algebra equation, a switch analogy, and a written definition.

In this simulation, learners follow steps to clear out a job that had been previously created.

In this interaction the student is presented with 20 questions identifying depth micrometer measurements.

In this animated activity, learners examine hearing and balance. Detailed drawings of the outer, middle, and inner ear structures are included.

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.

The student reads about the parts of a pipe/tubing bender and later identifies them in an interactive review.

In this interactive object, learners follow steps to program and operate the Ercolina Top Bender.

Laboratory testing begins with a doctor's order and is followed by specimen collection. In this activity, learners review doctors’ lab orders and select the blood collection tubes required for each patient.

Troubleshooting scenarios for trach related problems

Check your underground, subway, metro, and tube vocabulary acquisition by writing the term for each definition.