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Portable water purification

self-contained, easily transported units used to purify water from untreated sources

Pronunciation
/ˈpɔrdəbəl ˈwɑdər ˌpjurəfəˈkeɪʃən/
/ˈpɔːtəbəl ˈwɔːtə pjʊərɪfɪˈkeɪʃən/
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