Waya wa TXHHW umayimira "XLPE (polyethylene yolumikizidwa ndi mtanda) Wosamva kutentha kwa madzi."Chingwe cha XHHW ndi chizindikiro cha chinthu china chotchinjiriza, kutentha kwa kutentha, ndi momwe amagwiritsidwira ntchito (oyenera malo onyowa) pawaya wamagetsi ndi chingwe.