Munguva pfupi yapfuura, takagadzira vharuvhu yemashavishavi yewafer yevatengi vekuJapan ine nzira mbiri, iyo inoshandiswa kutenderedza mvura inotonhorera, tembiricha + 5℃.

Pakutanga mutengi aishandisa vharuvhu remabhuruvhu rakasiyana, asi pane nzvimbo dzakawanda dzinoda vharuvhu remabhuruvhu rakasiyana, saka mutengi wedu akatikumbira kuti tipezve vharuvhu remabhuruvhu rakasiyana munzvimbo idzi tisingachinje saizi yaro.

Mushure mehurukuro yedhipatimendi rehunyanzvi reTHT, takasarudza kushandisa mold yekutanga yekuvhara divi rimwe chete kuti tigadzire vharuvhu remapuruguru rinovhara divi rimwe nerimwe. Nekuda kweizvozvo, takabudirira, PN25 positive pressure back pressure 1:1.