Ключевые слова: blade, care, cut, cut off, cutting tool, department, dull, gild, guild, knife, knife care, knife service, knives, lubricate, maintain, maintenance, manufactory, master, oil, polish, process, protection, repair, restore, rust, sandpaper, scissors, service, sharp, sharpen, sharpening system, shop, stainless steel, studio, surface, tools, various stones, whetstone, worker, workplace, workroom, workshop,