Official Answer
Answer
Impeta zigumana impeta ntizifite 'ugutwi' cyangwa 'umwobo' kuri pliers; Ahubwo, bashizweho na 'guhinduranya' impinduka muri groove. Kuri shitingi, impera imwe yimpeta itangirwa muri ruhago, naho impeta isigaye ikazunguruka ahantu hamwe n'intoki cyangwa hamwe nibikoresho byoroshye. Ubu buryo burarenze kuko bugabanya kwaguka kwa radiyo isabwa. Bitandukanye nimpeta zifata, zigomba gukingurwa kuri diametre ntarengwa kugirango ziveho uruziga, impeta izenguruka yagutse gusa nkuko yomekwa. Ibi bigabanya impagarike yo kwishyiriraho $ \ sigma_i $, ikabuza gushiraho burundu no kwemerera 'gukomera' gukomera kuri hepfo ya groove. Ikuraho kandi ibyago byo 'kuguruka' impeta zijyanye no kunyerera.
