Usually the lateral dimensions of the fibers range from {HEAD ~ 20 μm} to {TAIL ~ 125 μm} 
Usually the lateral dimensions of the fibers range from { HEAD ~ 20 μm } to { TAIL ~ 125 μm }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL