Basicexplanation
1.Marksthatyouseewhenyouhitthelight.
2.Referstomycountry'straditionalmethodofprintingpaintingswithwoodcuts.Thewaterusedtoblendthepigmentsdoesnotuseoil,whichisdifferentfromthegeneralcolorprintingmethod,soitisspeciallycalled"watermark".Alsocalled"watermarkwoodcut".
3.Referstotranslucentlogosandiconsaddedtopicturestopreventothersfromstealingpictures.
Citationexplanation
1.AtraditionalChinesemethodofprintingpaintingswithwoodcuts.Thepigmentisblendedwithwaterinsteadofoil,whichisdifferentfromthegeneralcolorprintingmethod,soitiscalled.ThefourthchapterofYaoXueyin's"LiZicheng":"﹝LiXin﹞sawawatermarkplumblossompoemunderMadamTang’smirror."SunLi"XiuluCollection·DreamofPainting":"IwasinmychildhoodAtthattime,allthepaintingsIsawwerewoodwatermarks."
2.Inthepapermakingprocess,patternswithlightanddarktexturesaremadebychangingthedensityofpulpfibers.
3.Dialects.Theofficialstampoftheoldstore.
Relatedinformation
Usually,banknotes,certificates,securities,foodstamps,etc.,allusewatermarkstopreventfraud.Forexample,intheleftblankofthefaceof100yuaninthe2015edition,theheadcanbeseenthroughlight,whichisthewatermark.TheearliestwatermarkwascreatedbypapercraftsmenintheTangDynastyinmycountryattheendofthe8thcenturyorthebeginningofthe9thcentury.Atthattime,silkthreadswereweavingpatternsonbamboocurtains.Thepatternismoreprotrudingthanthecurtainsurface,sothefibersinthecorrespondingpartsofthepaperarewoventhinner,andthedegreeoflighttransmissionishigher.Thus,thewatermarkeffectisobtained.Inthe13thcentury,Italiancraftsmenalsowovenletters,numbersorpatternsonpapermakingnets,leavingwatermarksastrademarksonthepaperindustry.Onthepapermachine,thewetpapersheetispressedtoformawatermarkwithatouch-uppad(watermarkpad).Variouspatternsorpatternscanbecarvedoutaccordingtotheneedsofthedecoration.