... of computerized CMOS chip ,made by fine metal needle board,delegate new technology ,have steady capability . This machine ... be changed in half turn .(5) Triangle board: (front-back)triangle board can fluctuate to knit faultlessly , system with ... -sever(crash),fabric-fall,yarn-floating,triangle board amplidyne,density amplidyne ,shuttle box ,neilsbed shift amplidyne,voltage unquiet(protected by ...