Aluminium greenhouse uye gadheni Imba Inowanzo shandiswa 3mm yakanamatira girazi kana 4mm yakanamatira girazi. Isu tinopa yakanamatira girazi inosangana neiyo EN-12150 standard. Girazi mbiri uye dzakaumbwa dzinogona kugadzirwa zvinoenderana nezvinodiwa nevatengi.