For example, as mentioned above, {TAIL ~ the spring} 34 may be formed of {HEAD ~ a chrome silicon steel alloy} 
For example , as mentioned above , { TAIL ~ the spring } 34 may be formed of { HEAD ~ a chrome silicon steel alloy }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD