Englishfor English speakers
antigen
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noun
any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)
handling
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noun
the action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means
—
noun
manual (or mechanical) carrying or moving or delivering or working with something
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noun
(= treatment)
the management of someone or something
the handling of prisoners
the treatment of water sewage
the right to equal treatment in the criminal justice system