Xa ufaka imitha yamanzi ye-ultrasonic, kuyimfuneko ukuqwalasela isalathiso sokuhamba, indawo yokufakela kunye neemeko zepayipi, ngolu hlobo lulandelayo: 1. Okokuqala, kufuneka siqale sinqume ukuba ngaba ukuhamba kwendlela enye okanye ukuhamba kweendlela ezimbini: phantsi kwesiqhelo. iimeko, yindlela enye yokuhamba, kodwa singakwazi...
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