This paper presents a traffic-adaptive contention-free period (CFP) extension (TaCFPext) protocol for IEEE 802. 15. 4 deterministic and synchronous multichannel extension (DSME) medium access control (MAC). which aims to satisfy the traffic adaptability requirement of industrial wireless sensor networks (IWSNs). https://www.pomyslnaszycie.com/halloween-skull-bride-groom-cheap/