The material describes how the co-operative traversed a zigzag course in tackling the problems of organizing and supervising labour and went on to achieve great success in increasing production from year to year.

• 关于劳动组织和劳动管理方面的问题，这个材料描绘了整个曲折变化的过程，结果出现了逐年增产的巨大的成绩。