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Ukuze kuthuthukiswe amandla aluhlaza namandla amasha, i-OSB yethule iphampu yokushisa yakamuva engu-R152a. Ungase ubuze, yini i-R152a? Nalu ulwazi olungaba usizo ngombono ongcono. I-R152a ivamise ukusetshenziswa njenge-propellant kuma-aerosol, njenge-ejenti ekhihliza amagwebu, noma...
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