[ANNEX IU.K.
CATEGORY 3 – ELECTRONICSU.K.
[3A] Systems, Equipment and ComponentsU.K.
Technical Notes:U.K.
2.In 3A233.d.2., a ‘cold trap’ is a device that traps gas molecules by condensing or freezing them on cold surfaces. For the purposes of 3A233.d.2., a closed-loop gaseous helium cryogenic vacuum pump is not a ‘cold trap’.]U.K.