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USe as Hardening agent in the manfcacture of rubber products, such as tires.
sulphur is an important industiral raw material which is used in manufacturing sulphurdioxide, as a germicide in combating Phylloxera(a disease of grape).
Some applications of californium: - neutron source as Cf-Be source - neutron source for neutron activation analysis (portable installations) - neutron radiography - irradiation for some cancers...