Chobowolera pansi, mwina simunamvepo za zida zamtunduwu, sichoncho?Ndi mtundu wa makina obowola, omwe nthawi zambiri amagwiritsidwa ntchito pobowola mabowo a nangula a miyala, mabowo a nangula, mabowo ophulika, mabowo opangira ma grouting ndi zomanga zina pobowola m'matawuni, njanji, misewu yayikulu, mitsinje, hydr...
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