Zigendanwa: Ibitanda byinshi byibitaro bigurishwa bifite ibiziga, bitanga byinshi byoroha kubarezi n'abarwayi.Igitanda kirashobora kwimurwa byoroshye ahantu hatandukanye mubyumba cyangwa munzu, bigafasha umurwayi kwivuza bitamugoye kumubiri cyangwa kwimura intebe idakenewe.Izi nziga nazo zifunga umutekano wumurwayi mugihe cyo gukoresha cyangwa kwimura.