Add spaces: Itinvolvestelecomcompanies.

Answer: It involves telecom companies.

Add spaces: Articlesofapparel,clothingaccessoriesandotherfurskinarticles(excl.glovesmadeofleatherandfurskin,footwareandheadgearandpartsthereof,andgoodsofchapter95,e.g.,toys,gamesandsportsequipment)

Answer: Articles of apparel, clothing accessories and other furskin articles (excl. gloves made of leather and furskin, footware and headgear and parts thereof, and goods of chapter 95, e.g., toys, games and sports equipment)

Add spaces: Windows10SupportPage4Windows10helpblog

Answer:
Windows 10 Support Page 4 Windows 10 help blog