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The market share of aircraft models is high, and the learning cost for mechanics is low. When performing sock root forward and reverse operations, the action is concise and the speed is fast.
In addition, the needle moving parts and steel rings have unique shapes, which require very complex processing and heat treatment processes, inevitably increasing costs.
The Robert model uses a traditional knife type needle selector, while the Lonati model uses a striker type needle selector. The cost is significantly higher than Robert's product.
The production of "invisible socks" has performed well in this sub category of socks.Due to the fact that 80% of the time the 'invisible sock' shaped socks are being worn on the heels.
