Collet Clips: White and Grey collet clips are used with conventional fittings to avoid accidental pipe disconnection. Purple or blue clips offer colour coding of the pipe. Pink and blue clips should not be utilized to circumvent accidental release on the pipe. cylinder fuel temperature ; cm – the indicate http://gold-instant-hot-water-ta28406.shotblogs.com/5-easy-facts-about-320mm-manhole-base-described-16469173