4.B.3.Equipment as follows, and specially designed components therefor:

a. Batch mixers having all of the following:
1. Designed or modified for mixing under vacuum in the range of zero to 13.326 kPa;
2. Capable of controlling the temperature of the mixing chamber;
3. A total volumetric capacity of 110 litres or more; and
4. At least one 'mixing/kneading shaft' mounted off centre;
Note:
In Item 4.B.3.a.4. the term 'mixing/kneading shaft' does not refer to deagglomerators or knife-spindles.
b. Continuous mixers having all of the following:
1. Designed or modified for mixing under vacuum in the range of zero to 13.326 kPa;
2. Capable of controlling the temperature of the mixing chamber; and
3. Any of the following:
a. Two or more mixing/kneading shafts; or
b. All of the following:
1. A single rotating and oscillating shaft with kneading teeth/pins; and
2. Kneading teeth/pins inside the casing of the mixing chamber;
c. Fluid energy mills usable for grinding or milling substances specified in 4.C.;
d. Metal powder "production equipment" usable for the "production", in a controlled environment, of spherical, spheroidal or atomised materials specified in 4.C.2.c., 4.C.2.d. or 4.C.2.e.
Note:
d. includes:
a. Plasma generators (high frequency arc-jet) usable for obtaining sputtered or spherical metallic powders with organization of the process in an argon-water environment;
b. Electroburst equipment usable for obtaining sputtered or spherical metallic powders with organization of the process in an argon-water environment;
c. Equipment usable for the "production" of spherical aluminium powders by powdering a melt in an inert medium (e.g. nitrogen).
Note:
Forms of metal powder "production equipment" not specified in 4.B.3.d. are to be evaluated in accordance with 4.B.2.