Galasi ya vacuum ndi mtundu watsopano wa galasi lozama kwambiri, lomwe limapangidwa potengera mfundo ya botolo la thermos. Kapangidwe ka vacuum galasi ndi ofanana ndi galasi dzenje, kusiyana kwake ndi kuti mpweya mu vakuyumu galasi patsekeke ndi woonda kwambiri, pafupifupi pafupi vacuum.
Pogwirizana ndi kampaniyo, amatipatsa kumvetsetsa kwathunthu ndi chithandizo champhamvu. Tikufuna kupereka ulemu waukulu ndi kuthokoza kochokera pansi pa mtima. Tiyeni tipange mawa abwinoko!