Como prender um mosquetão ao equipamento de mergulho
/0 Comments/in Portugal Blog pt_PT /by Michael VillafrancoFighting Exposure – Is Helium a “cold” gas?
/4 Comments/in Portugal Blog, TDI Diver News en_US /by tdisdiHQSo, now you should understand why it does not deserve to be called a “cold gas” when inhaled from a scuba regulator as compared to air. This is good news.