Employees in service

Employees in CBDs

Employees in Food and Public Places

Employees in food industry and public places

Employees in food profession and public places

Employees in foreign enterprises

Employees in hotels

employees in poultry industry

Female employees in foreign enterprises

access medical service in a place other than the resident region

behavior in service

blood service in medical services

Bridge in Service

chemical installation in service

concrete in service

consolidated concrete bridge in service

cooperative medical service in rural areas

Health service in community

health service in wartime