DEAR MR.SO CALLED SCIENTIST I THINK U MUST BE A BLIND PERSON BECAUSE U HAVENT READ WHATEVER I WRITE.READ IT CAREFULLY,U CAN FIND THE SENTENCE-" THE GENUNITY OF THAT MATERIAL MUST BE APPROVED BY COMPANY'S FINAL CHECKER-METALLURGIST.MEANS FINAL CHECKERS " ANY THANKS FOR UR ILLETERATENESS IN THIS BUSINESS & READ NOW FOLLOWING PHRASE THIS IS FOR U............ " THE ELEPHANT IS WALKING ON HIS WAY & THE DOG IS BARKING " SO KEEP BARKING......