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Message: <blockquote data-quote="COBRA_SM" data-source="post: 18974571" data-attributes="member: 512658">Hardness in water is one major problem in north & east areas in Sri Lankan. In Oder to understand the relationship between the hardness level and the soil type it was necessary to analyse the amount of calcium in well water and soil nearby. Suggest Suitable methods to obtain random samples of water from a well and the soil of 1 m wide stripe around the well.mekata mata machanla ikmanata liyanna ona answer ekak kiyannako loku udauwak dannaththan bump ekak hari danna.<img src="/styles/default/xenforo/smilies/default/sorry.gif"  class="smilie" loading="lazy" alt=":sorry:" title="Sorry    :sorry:" data-shortname=":sorry:" /><img src="/styles/default/xenforo/smilies/default/sorry.gif"  class="smilie" loading="lazy" alt=":sorry:" title="Sorry    :sorry:" data-shortname=":sorry:" /><img src="/styles/default/xenforo/smilies/default/sorry.gif"  class="smilie" loading="lazy" alt=":sorry:" title="Sorry    :sorry:" data-shortname=":sorry:" /> </blockquote>

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