apparatus constructed such that it may control various other equipment for the performance of various work tasks , even other equipment yet to be designed for work tasks yet to be designed . the improvement in the apparatus feature a call - back control procedure which is activatable from device intelligence to ensure that a specific robotic device can be &# 34 ; called - back &# 34 ;, i . e . reactivated , to perform some specific action without the necessity of there being a code entry in the sequence intelligence of the central computer system enabling the specific action . the apparatus comprises a central computer control means comprising a dictionary storage means for tagging and storing command - specific parameters for a specific work tasks and that specific robot module to which each of the parameters belongs and sequencing means to schedule said work - tasks for a plurality of said modules . the module also can be activated for the task without use of the sequencing means , e . g . by having the module request one of its own dictionary entries .