Ruby on Rails — A web-app framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern.
Ruby on Rails Guides
File:Rails.svg - Wikimedia Commons
File:Rails from top.jpg - Wikimedia Commons
Learn to Build Modern Web Apps with AngularJS and Ruby on Rails - Thinkster
Top Rails, UAB. Contacts, map. Rekvizitai.lt
Rails - A Contemporary Global Lifestyle Brand
Steel Rail Type Overview | AGICO Rail
Railway track - Wikipedia
Steel Rail of Different Standards for Railway Track
Ruby on Rails - Wikipedia
What happens when you create a new Rails project
Microservices on rails | MuleSoft Blog
Steel Rail For Sale | US, BS, JIS, GB, ISCOR, UIC Standard | AGICO Rail
What are the Different Types of Rails? - The Constructor
Guard rail (railroad) - Wikipedia
What is Ruby on Rails? - Arrk Group
Happily upgrading Ruby on Rails at production scale - We build Envato