Description: the total head at the outlet of the installation; Name: installation outlet head
Description: head observed at outlet area of the installation, corresponding to the sum of the height, pressure head and velocity head; Name: total head at outlet area of the installation
Description: extent of protection provided by an enclosure against access to hazardous parts, against ingress of solid foreign objects and/or ingress of water and verified by standardized test methods, expressed as a IP rating; Name: degree of protection