A. They were controlled less strictly by the authorities.
B. They treated their workers more humanely.
C. They completely ignored consumers' health.
D. They turned out more unhealthy products at will.
A. Paid much attention to the results of scientific discoveries.
B. Seldom introduced safety laws before disasters occurred.
C. Hardly ever looked into the causes of tragedies.
D. Impose safety rules as soon as accidents took place.
A. There are altogether three departments which protect customers and workers.
B. A company with poor or dangerous working conditions is likely to be punished.
C. Stores dealing in foods and drugs are controlled by the local government.
D. The protection of workers' health and safety is still not well ensured.
A. Industries in the past and at present.
B. Changes in the development of industries.
C. The protection of industrial workers and customers.
D. The freedom of industries today and in the past.