Valsts valodas centra izstrādātie inženierzinātņu, tehnikas, rūpniecības un būvniecības un arhitektūras termini

Konteksts: [..] The horizontal plane through the upper edge of the guiding device is the reference datum. The distance from this plane to the horizontal and irremovable contact plate positioned vertically below the datum is called the "total reference height H" and shall be quoted at the top of each table.Every precaution shall be taken to ensure that both the position of the reference datum in relation to the tank and the total reference height H, are virtually invariable. [..]
Avots: Council Directive 71/349/EEC of 12 October 1971 on the approximation of the laws of the Member States relating to the calibration of the tanks of vessels