Ключевые слова: 4345, abrasive, adult, blade, blue, caucasian, classic look, color background, condition, connect, craft, cutting edge, demonstration, european, finger, gray, hand, hand tool, knife, knife edge, labor, male, middleaged, modern, one, oval, palm, peel, person, rotate, selective focus, shadow, sharp, sharpener, simple, subject, whetstone, work,