Mukushandiswa kwechiridzwa, pasi pemamiriro akajairwa, kushandiswa kwevanotapurirana ndiko kwakawedzera uye kwakajairika, iyo yakakamurwa kuita madhiraivha ekudzvanya uye mutsauko wekumanikidza.Transmitters anowanzo shandiswa kuyera kudzvanywa, kusiyanisa kudzvanywa, vacuum, ...
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