But You should not be dismayed by this alphabet soup. Just a few sorts are in everyday use. Also, companies are inclined to stay away from these overly geeky monikers in favor of far more descriptive names alluding to A vital excellent of the filament, like versatility (NinjaTek's Ninjaflex and https://headsupdisplayhelmet08652.idblogz.com/33637437/abs-no-further-a-mystery