Describir: Job rotation as factor in reducing physical workload at a refuse collecting departament /

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  \___ \\  / //\ \\ | |/\| ||  | / \ ||  | ' //    \ ` //  | '--' ||  | ||__   
  /    // |  ___  |||  /\  ||  | \_/ ||  | . \\     | ||   | .--. ||  | ||__   
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