The effects of the Size of Operator's Hand and the use of Foot on the Production Quantity and Product Quality

손의 크기와 발동작(動作)이 생산능률(生産能率)과 품질(品質)에 미치는 영향(影響)

This study aims to investigate the effects of the size of operator's hand and the use of foot on the production quantity and product quality. To find out the facts the survey is conducted by measuring the hand size for the worker who is randomly chosen and by grouping them into the large hand size group and small hand size group on the base of the measuring data. The grouped operators are assigned to their job as usual, and their daily production quantities and qualities are measured. The survey shows that the production quantity of the small hand group are higher than the large hand group, and the number of defects of the small hand group are less than the large hand group.