[23] This kind of tankers are accustomed to refill bulk liquid-oxygen storage containers, which stand outdoors hospitals and also other establishments that need big volumes of pure oxygen gas. Liquid oxygen is handed by heat exchangers, which change the cryogenic liquid into fuel just before it enters the setting up. https://oxygen-chambers-for-cance51627.getblogs.net/68484213/the-basic-principles-of-oxygen-therapy-cost-uk