June 28, 2016: Stone Breaking Demonstration during the town hall meeting at NTN Canada
June 28, 2016: Stone Breaking Demonstration during the town hall meeting at NTN Canada. https://tetsuyasogo.blogspot.com/2016/06/june-28-2016-stone-breaking.html?m=1 https://tetsuyasogo.blogspot.com/2019/04/2017-2018-chairman-of-ntn-bearing.html?m=1