N'ime usoro ọgwụgwọ mmiri na-ekpo ọkụ na-ekpo ọkụ na-arụ ọrụ na-edozi mmiri dị arọ nke Western Metallurgical Plant, a na-eji pH mita anyị, electromagnetic flowmeter, ultrasonic level gauge na ngwá ọrụ ndị ọzọ.Mgbe nzaghachi nleba anya nke onye ọrụ na saịtị: A na-eji ngwá ọrụ anyị nke ọma, na-enyere ụlọ ọrụ mmepụta ihe aka dochie ngwa ngwa ndị yiri ya, na-azọpụta ọtụtụ ụgwọ ọrụ.
