“…Analytically proposes IIoT architecture [20] Presents the opportunities in IIoT, its features, and challenges [21] Review on IIoT [22,23] Optimized QoS through wireless transmission in IIoT [24] Demonstration of IIoT by the inclusion of gateway [25] Uses machine learning for IIoT [26] IoT Identify the evolution of radio frequency identification in IoT technology [27] Survey the impact of IoT on technology, social, and businesses [28] Survey the architecture and features of IoT [29-34] 2018, 2017, 2016, 2020, 2019, 2019 WSN WSN and its types surveyed [35] Survey WSN in Agriculture [36] Discuss the application of WSN in the monitoring of the environment [37] Presents the requirements and challenges in the application of WSN in oil and gas industries [38] Proposes the use of WSN and IoT in oil and gas industries [39] Described application of WSN in industrial automation [40] The standardization process in industrial WSN for industrial automation [41] Research Methodology Among the contributions of this paper are, firstly, to review the state-of-the-art research in the field of NB-IoT technology and its applications in industrial environments. To review other IoT technologies (WSN, IoT, and IIoT) upon which NB-IoT is established.…”