@2ndChanceCases First, stay out of confined spaces... you will die
Second, if you are going to explore abandoned Industrial Complex, yes you should definitely have a 4 gas meter, calibrated and understand what it does and doesn't do...
@pnwguerrilla what's your thoughts and view on dehydrated meals that expired in 2018? The Backpackers have short expired dates where the Mountain house has 30yrs. Those Backpackers have been exp for 8 years. You think they are still good?