Work line module comprises a plurality of machines (103-106) having a plurality of working functions and non-work facility (107, 108) such as a conveying machine can cooperate so as to produce a necessary amount even if the necessary amount is varied. A plurality of work machines (103-106) for mechanically working a workpiece (124) and non-work facility (107, 108) for processing the workpiece (124). One work machine (106) is a multifunction furnishing machine having a function of measuring the workpiece (124) in addition to a function of mechanically working the workpiece (124). A conveying machine (109) having robots (185-187) for conveying the workpiece (124) between the work machines(103-106), and between the work machines(103-106) and the non-work facility (107, 108).