Add spaces: Thisgroupincludes:1x1watts16watt

Answer: This group includes: 1x1 watts 16 watt

Add spaces: Muchattentionhasbeengiventouserfriendlinessandeasyoperation.

Answer: Much attention has been given to user friendliness and easy operation.

Add spaces: InstallationandmaintenanceofthesystemNASSAT:NASSAThasgainedconsiderableexperienceinworkingwithtrainoperators.

Answer:
Installation and maintenance of the system NASSAT: NASSAT has gained considerable experience in working with train operators.