You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
http://www.economist.com/news/science-and-technology/21630375-one-way-or-another-fords-new-aluminium-truck-set-be-game-changer-adding-lightness
Article discusses Laser welding instead of spot welding for aluminum car panels