1. Li-betri tse pakiloeng tsa 9V li sebelisoa lits'ebetsong tse ngata tse kang lisebelisoa tsa ho metha tsa motlakase, lisebelisoa tsa ho metha tsa bongaka, jeoloji le merafo, li-intercom, li-microphone tse se nang mohala, liea-le-moea, le tse ling.2. Ehlile, bakeng sa sesebelisoa se ikhethileng sa motlakase, hore na ho sebelisa betri ea 9-volt ...
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