Learners examine the symbols and values that control surface roughness, waviness, and lay. A brief quiz completes the object.

In this animated lesson, the learner examines how a ladder circuit causes the cylinder of a hydraulic circuit to make a single extension and retraction.

In this learning activity you'll review how a short affects current flow and voltage in a series circuit.

Learners examine the conventional current flow at a PLC input module, along with the field devices connected to it. This interactive object includes quiz questions and feedback.

Learners answer questions about the heat treatment of metals using a game show format. Immediate feedback is provided.

Learners answer questions about ferrous metals and alloys using a game show format. Immediate feedback is provided.

Learners examine the operation of positive and non-positive displacement compressors used in pneumatic systems.

In this learning activity you'll recognize several patterns on an Xbar and R control chart. These non-random patterns are indications that the process is not in a state of statistical control.

Learners read how nanotechnology is creating new jobs in emerging industries while making others obsolete. This colorful and animated activity also looks at the types of products being created through the use of technology and how educational institutions have responded.

Match the roots dict, port, non, inter, magn, min, mis, multi, omini