Studying for an #airconditioning or #refrigerant #handling qualification? Check out Princi… http://t.co/t6jINlnA7T http://pic.twitter.com/RtZQuCCmGW
— Graham Stoakes MIMI (@gstoakes) October 4, 2015
http://twitter.com/gstoakes/status/650594043265744896 by gstoakes