continuous-pressure electric elevator
An electric elevator operated by means of push buttons in the elevator car and at landings, requiring that a button […]
An electric elevator operated by means of push buttons in the elevator car and at landings, requiring that a button […]
A mixer for concrete or mortar into which ingredients are fed without stopping and from which the mix is discharged
A pavement having no transverse joints, except tied construction joints which are placed between successive days concreting, with sufficient longitudinal
Said of an electrical load in which the maximum current is expected to continue for at least 3 hours at
A house that is connected to several other ancillary facilities such as a barn, privy, shed, and/or stable; advantageous in
A hinge having the same length as the moving part to which it is applied.