Everyone knows that he must die and death plays in ones life maybe the most important role

Can you repeat this sentence, but add in punctuation?
Everyone knows, that he must die and death plays in one's life [maybe] the most important role.
Yarn containing predominantly but 85 synthetic staple fibres by weight other than that mixed principally or solely with cotton wool or fine animal hair excl sewing thread yarn put up for retail sale and yarn of polyester acrylic or modacrylicstaple fibres

Can you repeat this sentence, but add in punctuation?
Yarn containing predominantly, but < 85% synthetic staple fibres by weight, other than that mixed principally or solely with cotton, wool or fine animal hair (excl. sewing thread, yarn put up for retail sale and yarn of polyester, acrylic or modacrylicstaple fibres)
So much for the careless publishers

Can you repeat this sentence, but add in punctuation?
So much for the careless publishers.