A.E. 23.
A.E. 24.
(e) Specially designed assemblies, components and parts for the
foregoing.
Plant specially designed for the production of uranium hexa- duoride (UF6).
Particle accelerators capable of imparting energies of 500,000 electron volls or more, rated for a peak beam power of 500 megawatts or
and specialized parts and accessories more, therefor.
A.E. 37.
A.E. 38.
A.E. 29.
A.E. 27. Valves, 3 centimetres or greater in diameter, with bellows seal. wholly made of or lined with aluminium, nickel, or alloy com- taining 60% or more nickel, either manually or automatically operated and with other than metal to metal seats.
Gas centrifuges capable of the enrichment or separation of isotopes.
A.E. 39.
A.E. 40.
A.E. 30.
A.B. 31.
AE. 31.
A.E. 34.
A.E. 35.
A.E. 36.
Blowers and compressors (turbo, centrifugal and axial flow types), wholly made of or lined with aluminium, nickel, or alloy con- taining 60% or more nickel, and having a capacity of 60 cubic feet per minute (1,700 Hures per minute) or greater.
Electrolytic cells for the production of Quarine with a produc- tion capacity greater than 250 gramries of fluorine per hour;
K
Heat exchangers sufiable for use in gaseous dissusion plants, Le... beat exchangers made of aluminium, copper nickel, or alloys con- taining more than 60% nicket, or combinations of these metals as clad tubes, designed to operate al sub-atmospheric pressure, with a leak rate of less than 10-1 atmospheres per hour under a pressure differential of 1 atmosphere.
Artificial graphite having a boron content of less than, or equal to. I part for a million, the total thermal neutron absorption cross section being less than, or equal to, 5 millibaros per atom.
Lithium, as follows-
(4) Metal:
(b) Hydrides. In which lithium, whether normal, depleted or enriched in the 6 isotope, is compounded with hydrogen or its isotopes or complexed with other metals or aluminium hydride:
(c) Alloys, as follows-
(1) Magnesium-based alloys containing 10% or GE Lithium:
(10) Containing 50% or more of lithium either normal or depleted in the 6 isotope; or
(fil) Containing any quantity of lithium enriched in the 6 isotope; or
(d) Any other material containing lithium enriched in the 6 isotope, including compounds, mixtures, and concentrates.
Nuclear reactors, ie, reactors capable of operation so as to maintain a controlled, self-sustaining fission chain reaction; major componcals designed or intended for use in a nuclear
AE, $1.
1002.
1016
1072.
reactor such as reactor vessels, core support structures, collant pumps, fuel element handling equipment, heat exchangers and control rod drive mechanisms; power generating or propulsion equipment or both not elsewhere specified, specially designed for use with nuclear reactors.
Hafnium metals and alloys and compounds of hafnlum con- taining more than 15% hafnium by weight.
Calcium containing both less than 0.01% by weight of impurities other than magnesium and less than 10 parts per million of boron.
Tritium, its compounds, not elsewhere specifiedt, and their mix- tures in which the ratio of tritium to hydrogen by atoms exceeds I part in 1,000.
Neutron generator tubes designed for operation without an cx- termal vacuum system, and utilizing electrostatic acceleration to induce a tritium-deuterium nuclear reaction.
Process control instrumentation, not elsewhere specified, specially designed or modified for monitoring or controlling the processing of irradiated fissionable or fertile materials or irradiated lithium.
INDUSTRIAL LIST.
The following, including spare parts and components therefor where applicable-
GROUP A
METAL-WORKING MACHINERY.
Jig borers and jig grinders with accuracies of better than +3 microns (+0.00012 inch).
Grinding heads and spindle assemblies (consisting of spindles and bearings as a minimal assembly) designed or rated for operation al speeds in excess of 120,000 revolutions per minute and machines specially designed for the utilization of such grinding heads.
Presses and specialized controls, accessories and parts thereof, as follows-e
(a) Presses (stabilized equipment using rams) for applying high impact energy work forces through use of explosives or compressed pases including air;
(6) Presses specially designed or redesigned for the working or forming of metals, alloys or other materials with a melting point exceeding 3,452°F. (1,900°C.};
(c) Hydraulic presses, as follows—
(1) Vertical presses having a total rated force of over 10,000 tons;
(i) Horizontal presses having a total rated force of over 5,000 tons;
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