| scum |
trash: worthless people a film of impurities or vegetation that can form on the surface of a liquid remove the scum from
출처: wordnet.princeton.edu/perl/webwn
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| scum |
In offset lithography, a film of ink printing in the non-image areas of a plate where it should not print.
출처: www.compulabel.com/index.asp
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| scum |
The extraneous or foreign matter which rises to the surface of the water and forms a layer or a film there. It can also be a residue deposited on the tile or walls of the pool or spa. Sources of scum are soap, oil, deodorant, hair spray, suntan lotions and others.
출처: www.southshoregunitepools.com/resources/pool_gloss...
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| scum |
Unwanted ink marks in the non-image area.
출처: www.millerbrosengraving.com/resources/glossary.htm...
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| scum |
Floatable material in wastewater made up of mainly fats, cooking oil and grease which are skimmed off during the treatment process.
출처: www.sandiego.gov/mwwd/general/glossary.shtml
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