Ключевые слова: apprentice, beautiful, building, business, busy, carpentry, chiseling, college, coveralls, craftsmanship, demonstration, employment, equipment, explaining, girl, goggles, indoors, job, lecturer, lecturing, lesson, man, measuring, metalworking, outfit, protective, room, show, showing, solderer, standing, strength, student, students, teacher, together, trade, welder, young, youth,