Fluorine Uranium Carbon Potassium this!

Wearing a tie right next to potentially dangerous chemicals is poor lab safety. It may get soaked in chemicals. Also, not wearing gloves is dangerous.

That vial is literally smoking and he's holding the damn thing with his hands.

I have absolutely no idea is going on in that second picture because I never took chemistry past what is taught in grade 10 general science. I'm in my final year of university and I haven't been hindered by it.