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Subjects
- Air conditioning.[remove]2
- Air conditioners.1
- Automobile industry and trade -- Michigan -- Detroit.1
- Bakeries -- Michigan -- Detroit.1
- Business enterprises -- Michigan -- Detroit.1
- Charitable uses, trusts, and foundations -- Michigan -- Tecumseh.1
- Compressor industry -- Michigan -- Tecumseh.1
- Compressors.1
- Industrial buildings.1
- Interiors.1
- Lead poisoning.1
- Occupational diseases.1
- Offices.1
- Refrigeration and refrigerating machinery.1
- Refrigerator industry -- Michigan -- Tecumseh.1
- Refrigerators.1
- Restaurants -- Michigan -- Detroit.1
- Work environment -- Michigan.1