Building construction; Repair of apparatuses for lighting, heating, steam generating, refrigerating, drying, ventilating, water supply and sanitary purposes; namely, refrigeration cabinets, drying cabinets and smoking cabinets; Installation of apparatuses for lighting, heating, steam generating, refrigerating, drying, ventilating, water supply and sanitary purposes; namely, refrigeration cabinets, drying cabinets and smoking cabinets