div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Easy Testpdf · INDIO* a EASYTEST Water Quality products are manufactured to stringent ISO 9001 Copper content in cooling water and boiler water It is an important parameter src=https:reader031vdocumentsnetreader031viewer20220305065ab511267f8b9a7c5b8c6512html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv class=annotationTitle6338div div class=annotationSubjectText Boxdivdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Easy Testpdf · INDIO* a EASYTEST Water Quality products are manufactured to stringent ISO 9001 Copper content in cooling water and boiler water It is an important parameter src=https:reader031vdocumentsnetreader031viewer20220305065ab511267f8b9a7c5b8c6512html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv