107 mzere wopanga guluu Silicone sealantaut omatic kupanga mzere kupanga-malo kupanga-malo Nthawi ina makatiriji awiri othamanga kwambiri kuchokera ku Germany Njira yotsekedwa ya mzere wosakanikirana wa sealant Makina opangira makina a butyl sealant ochokera ku Germany Makina osakanikirana a sealant Makina onyamula otopetsa a soseji osindikizira ochokera ku Germany Makina osakanikirana awiri-screw system American chopingasa chosakanizira