| http://www.w3.org/ns/prov#value | - Even if they had wondered about the use of an inexpensive and vast plastic sheeting laid onto the sea surface, problems such as tearing of the sheeting, spilling of the collected rainwater into the sea, contamination by seawater spilling onto the sheet, and the drifting of the sheet away from the designated area are not easily solved. [72] Accordingly, this invention using catchment modules presen
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