35 THE ADVERTISING AND BUSINESS CLASS WOULD COVER THE PART OF HIS CORPORATION THAT PROVIDES ADVERTISING SERVICES
37 THE CONSTRUCTION AND REPAIR CLASS WOULD COVER THE PLUMBING, DRAIN CLEANING, AIR-CONDITIONING AND HEATING, SWIMMING POOL, AND MEDICAL MAINTENANCE SERVICES THAT HE PROVIDES (THE MEDICAL MAINTENANCE TAKES CARE OF PLUMBING AND GAS LINES AT HOSPITALS)