According to the TSA website, It must be clearly visible to the TSA officer that the cylinder is empty. Similarly, compressed or liquid forms of oxygenincluding those trendy flavored O2 canisters marketed for use at high altitudesare highly flammable and not allowed in checked or carry-on bags
Stricter penalties will be imposed if people are found to have more tobacco products than allowed when entering the country
Wear protective gear like a mask and goggles
I'll be discussing story elements in detail, so all kinds of spoilers await.) I am a huge fan of stories that operate on the model of "person hired to search for an elusive object finds himself in a world of weird, weird shit as a result." This basic story encompasses thrillers like 8mm , supernatural horror movies like The Ninth Gate , and to an extent, even Apocalypse Now
Just don't expect the mask to be 100% protective, but definitely do not underestimate their value in these situations, and if it can be avoided, stay away from smokers and smoking areas
