Plastic or metal strips attached to the sides of a hard disk drive mounted in an IBM AT and compatible computers so that the drive easily slides into place
A structure which acts as the interface between the seat and the aircraft They guide the seat on its movement in the aircraft Many seats use a set of rails which interface with the seat via a set of rollers on the back edges of the sides Many Martin-Baker seats use a catapult with rails mounted on the edges of it which interface with small metal tabs called slippers on the instide of the main beam assembly
steel T-section with machined guiding surfaces installed vertically in a hoistway to guide and direct the course of travel of an elevator car and elevator counterweights