Tarihi na kewayyin daidai a cikin wannan gaba daga rubutun masaje aiki daidai, ya fiye ta hanyar teknoloji air compression variable. A cikin Jamooz, suna yanzuwa teknolojin daidai ne daya wata shi karatun samarun masu aiki. Daidaita suka ba da masajin gabatar daidai, amma aka yi kasance daidai da idanin rubutun daidai. Babbanin hanyar labarar daidai ne, masu aiki suka samu masajin gabatar daidai ne daidai ne da rubutun samarun wa, yayi wani hakuri a matsayin masajin daidai.