If you have flashbacks, and you are reading this, you know exactly what I mean. I hope you have people in your life who understand this, too. Not everyone does. While every therapist should have a clear idea of what a flashback is, and how you feel when you experience one, some therapists are unfamiliar with PTSD.
Dry ice can be bought in local grocery stores. However you can also produce your own dry ice through a portable dry ice maker. Certain portable dry ice makers are capable of p â¦ roducing 1-lb blocks of dry ice within a minute.owever you can also produce your own dry ice through a portable dry ice maker. Certain portable dry ice makers are capable of p â¦ roducing 1-lb blocks of dry ice within a minute.
How To Keep Food & Other Perishables Fresh. Dry ice may be the best way to keep your frozen and refrigerated foods from spoiling in the event of a power outage. At a temperature of -109Â°F, dry ice can replace the cooling power of your refrigerator or freezer. DO NOT store dry ice in an airtight container or in an ice chest with the latches locked. 2  The gas pressure of the sublimating solid dry ice will become explosive. 3  Even if the container does not rupture, the force on the lid or top may be enough to cause severe injury.