It involves construction, just don't know what it is exactly? Thanks!
elevated horizontal planks upon which workers stand to perform repair, installation, or similar.
scaf?fold–noun 1. a temporary structure for holding workers and materials during the erection, repair, or decoration of a building. 2. an elevated platform on which a criminal is executed, usually by hanging. 3. a raised platform or stage for exhibiting spectacles, seating spectators, etc. 4. any raised framework. 5. a suspended platform that is used by painters, window washers, and others for working on a tall structure, as a skyscraper. 6. Metallurgy. any piling or fusion of materials in a blast furnace, obstructing the flow of gases and preventing the uniform descent of the charge. 7. a system of raised frameworks; scaffolding.
Scaffolds are those things that look like square boxes put together on the sides of buildings/ houses that are under construction. They are used so workers can reach otherwise too high places with out ladders. Very stable. Click links for pictures.