Air movement in individual chambers assures a gradual cooling with the mold and also the component inside of to allow the cross-linking method to complete all the way in the tank wall. I hope the tank isn't going to fail and leak going forward. While managing the tanks I observed https://www.facebook.com/permalink.php?story_fbid=pfbid0fa8TzUZhWQZis5dkGmhWDnhKjvZMGyvwoacbR6C94ET9fbrS39Tidm5ekynaANLvl&id=61560512640678&__cft__[0]=AZUjgUuduPRIQOSzgAmwPqf-YQodR4pbw5pbAbGp7GMA8dPHuyZsCC8Qkr0jGU2kmxxWuM67pP3nRZnMgzRtfNKdxcxx4n4IAn_9wD0Hl_aQVhNlom9Aq5-0dpcmuxMIFa0-dHcLUD04ogQWB1LsFVYcqB1L3NorxxQGUo30SQZTx5cZuZfC3mBuZ5D7rzIaxvxz2hLLAEqm2lIm-syjgj4b&__tn__=%2CO%2CP-R