{HEAD ~ The wheel} is typically spinning at a linear speed at the wheel edge of from about 1 meter per {TAIL ~ second} to about 5 meters per second, preferably from about 1 to about 2 meters per second 
{ HEAD ~ The wheel } is typically spinning at a linear speed at the wheel edge of from about 1 meter per { TAIL ~ second } to about 5 meters per second , preferably from about 1 to about 2 meters per second
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH