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Materials industry
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Subcategories
This category has the following 5 subcategories, out of 5 total.
C
Chemical industry
(24 C, 211 F)
M
Materials company
(2 C)
Metal industry
(9 C, 8 F)
Metallurgy
(39 C, 228 F)
P
Plastic processing
(7 C, 66 F)