Hacker News new | past | comments | ask | show | jobs | submit login B5-BJ2 – Ice Cream Barges – Concrete Ship Constructors (2023) ( thecretefleet.com ) 8 points by nixass 1 hour ago | hide | past | favorite | 1 comment help gwbas1c 23 minutes ago [–] > It used a combination of pumped brine, and Freon Gas, which is a non-combustible gas, still used today as a refrigerant in air conditioning applications. Freon (from then) is generally illegal to use today, as it depletes ozone. As a trademark, the name is often applied to newer refrigerants. reply Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact Search: