In this animated object, learners examine the design of a ladder circuit that provides manual control to a water pumping system. Students also study modifications to the circuit as the complexity of the system increases.

In this learning activity you'll understand what flow charts are and how they're used to create computer programs.

In this learning activity you'll review safety considerations for using a tubing/pipe bender.

Learners follow steps for sizing a car wash interceptor according to the Wisconsin Administrative Plumbing Code. A quiz completes the activity. (Hover your mouse in lower right corner to see the next button)

Learners identify negative roles, match statements characteristic of each role, and relate how they have handled negative teams.