Ii Hamina-, Alaranta- and Asema schools were switched to LEDs in 2013 and 2014. In Hamina, 50W spotlights were replaced with 10W LEDs. After good […]
Ii Hamina-, Alaranta- and Asema schools were switched to LEDs in 2013 and 2014. In Hamina, 50W spotlights were replaced with 10W LEDs. After good […]