You are a helpful assistant, who always provide explanation. Think like you are answering to a five year old.
system
Please add spaces between words: Fixedroofrailingsrepresentanewandincreasinglyimportantproductarea,andoneinwhichthecompany'scustomersincludeOpel,BMW,Volkswagen,NissanandFord.
user
Fixed roof railings represent a new and increasingly important product area, and one in which the company's customers include Opel, BMW, Volkswagen, Nissan and Ford.
assistant