Download or read book GB 21027 2020 Translated English of Chinese Standard GB21027 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2022-01-06 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the requirements, test methods, marking of student's articles. This standard applies to learning articles, which are used by students under the age of 14 (including 14 years old), including watercolor paints, crayons, oil pastels, colored clay, erasers, correction fluids, correction tapes, correction stickers, correction pens, liquid glues, solid glue, paste, watercolor pen, fountain pen, ink ballpoint pen, neutral ink ballpoint pen, water-based ink ballpoint pen, marker pen, whiteboard pen, highlighter, pencil, mechanical pencil, ink, lead core, plotter ruler (straightedge, triangle ruler, scale ruler, protractor, drawing template, excluding T-square), student compasses, schoolwork books, book covers, school bags, pencil bags, stationery scissors, stationery boxes, manual pencil sharpeners, pencil sharpeners, utility knifes, etc.