eyJzZW9fZGF0YSI6eyJtZXRhX3RpdGxlIjoiXHUwNjQ0XHUwNjJkXHUwNmNjXHUwNjQ1XHUyMDBjXHUwNmE5XHUwNjI3XHUwNjMxXHUwNmNjXHUwNjBjIFx1MDYzMVx1MDZjY1x1MDYyZVx1MDYyYVx1MDY0N1x1MjAwY1x1MDZhZlx1MDYzMVx1MDZjY1x1MDYwYyBcdTA2NDZcdTA2YTlcdTA2MjdcdTA2MmEgXHUwNjI4XHUwNjI3XHUwNjMyXHUwNjMzXHUwNjI3XHUwNjMyXHUwNmNjXHUwNjBjIFx1MDY0Nlx1MDYyN1x1MDYzMlx1MDY0NFx1MjAwY1x1MDY0N1x1MDYyNyJ9fQ==
لحیمکاری، ریختهگری، نکات بازسازی، نازلها