AMPS 2019 Session: Smart Factory and IOT Location Chair: Thorsten Wuest This paper focuses on introducing measurement technologies into manufactur-ing sites regarding the worker-oriented part of 6M, which consists of Man, Ma-chine, Material, Method, Mother Nature, and Money. First, we introduce in-door positioning and work motion recognition systems that we have developed as key components of Internet of Humans (IoH) technologies. Next, we briefly report on two case examples of manufacturing sites where worker behavior measurement, analysis, and visualization are promoted. Then, we conclude this paper with discussion about the costs and benefits on the introduction of indoor positioning technologies into manufacturing sites.