“…To do this, we use n cooperative searchers as in El-Hadidy et al [1,2,20,28]. But, the technique which was used in El-Hadidy et al [1,2,20,28] wasted a lot of costs because the searching process is repeated in the same part more than once. Our model does not waste this cost because the searchers do not repeat the searching process by using the connection technology methods.…”