Amasihlahla semibhovu lepolikarbeite lweSinhai zingabhalane izimbungo ezincane ngezindaweni eziphumaphi, noma kuhluke amandla, ukuvela ngokwemibhovu obuncinci okufakwa ngokusebenza lokuhlukene ukusiselela nokuhlukene kwehlathi kunye nekhothisi. Zikhona phakathi kwamakhaya emagumbeni, irofi, kunye nemiparti esidingweni, futhi bazifaka umthondzo wemitha 75-80% kunye nokuphinda kwehlukileyo efanelekayo neGB/T 14152. Ukuprotekela kweUV ibhedlela umoya ombili wesikhatsi sokugcina, noma amasihlahla akuyenzelwe amaculi wefayela ebizimile B1-s1,d0. Abafundisi abaningi beSinhai babaluleka ngemibhenko emigca eqinileyo kunye nokulandelana ngesikhathi sesikhombisa saselemu, beseqinisekiswa njengamanje. Lalela mize kuwo kumalani kunye nokubhala okuthile olungaphezu kwalokho oncedisiyo.
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