N’okwu ya,Mohammed kwuru na ya anaghị arụ ọrụ dịka dibia oyibo kama na ya na-ere ọgwụ nke bekee kpọrọ chemist. 
N’kwu ya,Mham8me  kwuru na y$a anag{ị arụ ọrụ dịma  ibia ~oyibo kama nay  na-ere ọgwụnke hbekee 6pọrọ che`mist. 