Using many smaller containers is better than one large container because it increases the surface area used to absorb lingering odors
If you find face recognition or identification of documents inconvenient, the simplest solution is to ask your Japanese friend to help you purchase it
While the overall number of smokers in the US continues to trend downward, the percentage of them who smoke menthols has risen from 30.5% in 2005 to 43% in 2020, according to The Wall Street Journal
Further substrates or micro engineered membranes for micro filtration, fractionation, nanopattering, nanomembranes, nanophotonics, microbiology, catalysis, gas, alcohol, liquid or blood separation, battery separator foils or others are possible with ELECTROSTATIC NANO MICRO PERFORATION TECHNOLOGY, depends of material structures and perforability