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Перевод: copal
[существительное] копал ; камедь
Тезаурус:
- The mixture of oil and copal was thinned, usually with white spirit.
- Needless to add, the Chinese were adept at imitating amber using such materials as copal, shellac and colophony.
- Copal varnishes have now mainly been replaced by polyurethane and alkyd varnishes.
- Further to the query by Mr P. Ridgley of Oldham regarding copal varnish (WW/June 91/p.557) , we would inform you that copal varnishes were manufactured from fossilised resins, mainly obtained from the Congo.
- The copal was heat treated to make it soluble in oils and solvents.
- The range includes Fernox Superfloc, a mild universal cleanser for central heating systems; Fernox DS-40, a vigorous cleanser for systems with serious problems; Fernox MB-1 corrosion-proofer and noise preventive; Fernox CP-3, a cleanser for copper tube boilers; and Fernox Copal, to protect aluminium, as well as cast iron, steel and copper.
- A varnish made from copal was known as short, medium or long oil length, depending upon the proportions of copal to oil.
- Blood pressure was measured with a COPAL UA251 electronic automatic auscultatory blood pressure reading machine (Surgleon Ltd, Brighouse, West Yorkshire).
- Varnishing took about 6 weeks to complete as numerous coats were applied - 15 coats for copal varnish and 30 coats for spirit varnish.
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