In {TAIL ~ one embodiment} {HEAD ~ the heat shield} acts as a stopper to prevent the vacuum cap from moving upwards and helps the vacuum cap from absorbing multiple mechanical stress in order to protect the vacuum cylinder from being damaged 
In { TAIL ~ one embodiment } { HEAD ~ the heat shield } acts as a stopper to prevent the vacuum cap from moving upwards and helps the vacuum cap from absorbing multiple mechanical stress in order to protect the vacuum cylinder from being damaged
REL TAIL TAIL TAIL TAIL TAIL TAIL HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH