Teacher aides and F&B stall assistants are also among the roles that can be filled by work permit holders from more countries. SINGAPORE: Eight occupations in social services, food services and air transport will open to work permit holders from more countries from September, Manpower Minister Tan See Leng announced on Tuesday (Mar 3). The eight occupations are: babysitters or infant caregivers, educarers and teacher aides in social services; food preparers like butchers and fishmongers, food