Assessing the efficacy of a job rotation for improving occupational physical and psychosocial work environment, musculoskeletal health, social equality, production quality and resilience at a commercial laundromat: protocol for a longitudinal case study

评估轮岗制度对改善商业洗衣店员工职业生理和心理社会工作环境、肌肉骨骼健康、社会平等、生产质量和韧性的有效性：一项纵向案例研究方案