<p style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; line-height: normal;"><span style="line-height: 8px;">To prevent environmental damage caused by swine waste mass in Cuba will be constructed 100 biogas plants modern tubular, polyvinyl chloride (PVC).</span>
<p style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; line-height: normal;"><span style="line-height: 8px;">These centers provide fuel, which supplement rural energy needs and prevent pathogenic microorganisms contained in the excreta and contaminate underground aquifers.</span>
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