There are two main varieties of polyurethane foam used in residential installations: Bonded polyurethane foam (also called rebond) is the most commonly used carpet cushion, with the Carpet Cushion Council estimating that it accounts for more than 80% of carpet cushion sales in the United States.
I wouldnât say there is an optimal font for subtitles, but there are certain aspects of a font that would make it suitable for subtitles: Subtitles are meant for being read fast, so you need a font that favors easy word recognizion. This would be a neutral font like Helvetica or Times New Roman. Times new roman I find especially good at the job, because itâs not too fat, doesnât look horrible when bold, and most important; it uses serifs.
Arial (in Windows) includes full support for Unicode 4.1 Latin, Greek, Cyrillic, Arabic and Hebrew. And it comes in reg, bold, italic, bold italic. Arial Unicode is really a fall-back font. I don't think it should be considered for brand use. However if you really want to use it you might want to contact Ascender or Monotype to see if they can produce a bold style for you.