Sweat shops are workplaces where workers are employed in often hazardous and exploitative conditions, such as long hours, low wages, and dangerous working environments. The term 'sweat shop' is derived from the fact that workers often have to work in hot, cramped, and poorly ventilated spaces. The crossword solution for this term is SPAS, which stands for Small-scale Production and Sweatshops. These are factories or workshops that employ a small number of workers and produce goods for export. They are often located in developing countries and are subject to minimal labor regulations.