| Subject | English | French |
| automat. | availability control unit | unité de commande d'accessibilité |
| comp., MS | unit availability | unités disponibles (Amount of time, expressed as a percentage or a decimal number, that a resource can be scheduled for assigned work. It refers to the availability of a resource; for example, a resource may be available 50%, 100%, or 300% of full time) |
| nucl.phys. | unit availability factor | facteur de disponibilité de tranche |