Lab metal metal slotted weight, Cylindrical igwe anaghị agba nchara nhazigharị igwe nwere na enweghị isi (ya na oghere na -enweghị ndozi) a na -arụpụta oke nha milligram site na nchara austenitic dị elu nke nwere nguzogide corrosion kacha elu n’oge ndụ ọrụ niile. Usoro nrụpụta pụrụ iche nke Master-Li gụnyere mgbaze ikuku nke nchara, nchacha electrolytic na ọkwa ikpeazụ, nhicha akpaaka zuru oke na nhazi ikpeazụ.