Kemplang crackers are a specialty of Palembang City, South Sumatra. Most of the people who live in Meranjat II Village have a home industry to make baked kemplang crackers. Work activities involved in production activities, ranging from making dough to baking kemplang. For eight hours, repetitive work is carried out by workers roasting kemplang for two times a minute. In roasting kemplang, most…