Using the aforesaid structure, the drawback as being incapable of securely stretching the umbrella due to {HEAD ~ a reduced volume} of {TAIL ~ the umbrella} is solved 
Using the aforesaid structure , the drawback as being incapable of securely stretching the umbrella due to { HEAD ~ a reduced volume } of { TAIL ~ the umbrella } is solved
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH