Otago University scientists believe it could offer a cost-effective alternative, after successful trials overseas.
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Record 20 Russian officers killed in Ukrainian strikes on headquarters in Donetsk, monitors sayNumber injured in Russian strikes on Zaporizhzhia rises to 23Iran's IRGC strikes tanker and threatens to target vessels beyond HormuzLawsuits blame Fox News for deaths of journalists in UkraineFrench mayor teargassed after shielding student protesters from policeUS sanctions court that seeks to arrest Putin, prompts backlashMobile shelters being installed at railway stations in Kyiv regionRecord 20 Russian officers killed in Ukrainian strikes on headquarters in Donetsk, monitors sayNumber injured in Russian strikes on Zaporizhzhia rises to 23Iran's IRGC strikes tanker and threatens to target vessels beyond HormuzLawsuits blame Fox News for deaths of journalists in UkraineFrench mayor teargassed after shielding student protesters from policeUS sanctions court that seeks to arrest Putin, prompts backlashMobile shelters being installed at railway stations in Kyiv region
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