Ua tsaug rau tus neeg German cov tswv yim

Ua tsaug rau cov neeg tuaj txhawb German, Nyiv KISHO yog qhov zoo nrog kev ua yeeb yam ntawm kev ua kom tiav glossiness, dej repellency thiab tiv thaiv fouling, sib sau ua yeeb yaj kiab tiv thaiv lub tsheb xim.