Construction is happening all around the world. Construction may bother people but without it, none of the world's great cities would exist. Gain an appreciation for construction by learning about the planning, materials and projects involved.
  • Construction Materials
  • Construction Planning
  • Construction Projects
  • Green Construction

The American's with Disabilities Act (ADA) of 1990 dramatically changed our legal attitudes toward the physically challenged. Among the laws enacted was the requirement for wheelchair accessibility at many public facilities and businesses, mostly by way of wheelchair ramps. Do you know how to build one of these ramps to ADA specifications? Take our quiz, and learn more about how to build a proper wheelchair ramp.

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