Yini I-Manual Multi-Way Valve ? Ama-valve ezindlela eziningi ngamadivayisi alawula ukugeleza koketshezi ezindaweni ezihlukene. Asetshenziswa kakhulu ezimbonini ezahlukahlukene, kufaka phakathi uwoyela negesi, ukukhiqiza ugesi, nokucubungula amakhemikhali. Ama-valve ezindlela eziningi angasebenza ngesandla, ngomshini, akhethwe...
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