ยง 43. Labor  class. 1. The  labor  class  shall comprise all unskilled
  laborers in the service of the state and each  of  its  civil  divisions
  except those whose positions can be examined for competitively.
2. The  state  or  municipal  commission  may  require  applicants for
  employment in the labor class to qualify in such examinations  of  their
  fitness for employment as may be deemed practicable.