Enasan Tunnel Episode 2
People from various technical fields, such as civil engineering, architecture, and equipment (Mechanical, Electrical, System Control) are involved in long tunnel construction. The
2022 Year end party
We have been working together with two foreign engineers since this year. They are Lila and Santosh, and both are originally from Nepal.
Enasan Tunnel Episode 1
I have been involved in Ventilation control of road tunnels for about 50 year and started Sohatsu Systems Laboratory for more than 20