Also, the weighting block 22 is arranged at the casing 12 in {TAIL ~ a manner} to be inserted through the aperture 24 at each of {HEAD ~ the corners} 
Also , the weighting block 22 is arranged at the casing 12 in { TAIL ~ a manner } to be inserted through the aperture 24 at each of { HEAD ~ the corners }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD