Class members learn how to estimate the total costs involved to design and build a bridge by including design, material, equipment, and labor costs. The activity includes a discussion about the trade-off between cost and aesthetics.

Knowing how to mix concrete is a big part of having a construction job. Here vocational learners will go through the types, economy, and uses for concrete. Each slide is rich in text but organized in an easy-to-read style. Images and...