In machinery, coverings are used to protect moving parts from debris or to ensure operator safety.
: These are fire-resistant wall assemblies used to enclose elevator shafts or stairwells in commercial buildings. subtitle Shaft
: This system uses inverted slipforming to create a concrete lining from the top of a shaft downward, often under pressurized conditions. In machinery, coverings are used to protect moving
: These provide a barrier against dust and moisture. Common materials include rubber (ideal for absorbing vibration) and plastic (resistant to chemicals and corrosion). subtitle Shaft
: Techniques like using Belzona 1111 involve applying a metallic polymer to a damaged area, then using a "former" (a two-part mold) to re-shape the shaft's surface.