But for all practical purposes the system of claying sugar is a thing of the past, and the bulk of the sugar of commerce is now purged in centrifugals, as indeed it has been for many years. [Please select]
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Self-control lies in maintaining checks and balances of desire, centripetals, and centrifugals of desire. [Please select]
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In the case of effecting nitration in centrifugals as above, the displacing sulphuric acid and water may thus be supplied round the edges of the machines, or removal troughs such as _f_ may be used. [Please select]
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