The labour operations of all must be in the proper proportion to one another,the workmen must live as near to one another as possible,and their co-operation must be insured.

• 从事于这一工作时，各方面的劳动之间必须有适当的比例，工作时彼此之间必须尽量靠近“他们之间的共同协作必须有保证。