An unskilled employee is one who does operations that involve the performance of simple duties, which require the experience of little of no independent judgment or previous experience although familiarity with the occupational environment is necessary. His work may thus require in addition to physical exertion familiarity with variety of articles or goods.
A semiskilled worker is one who does work generally of defined routine nature wherein the major requirement is not so much of the judgment, skill and but for proper discharge of duties assigned to him or relatively narrow job and where important decisions made by others. His work is thus limited to the performance of routine operations of limited scope.
A skilled employee is one who is capable of working efficiently of exercising considerable independent judgement and of discharging his duties with responsibility. He must posses a thorough and comprehensive knowledge of the trade, craft or industry in which he is employed.
(iv) Highly Skilled:
A highly skilled worker is one who is capable of working efficiently and supervises efficiently the work of skilled employees.