Talk:Infrared point sensor

The URL to http://www.fs-business.com/FAQ/FAQGasDetection.asp#What%20are%20the%20requirements%20for%20all%20point%20detection%20methods? Does not work anymore. Should it be removed? — Preceding unsigned comment added by 139.63.121.51 (talk) 14:48, 12 March 2014 (UTC)