Double cones can be in the form of either face-to-face or back-to-back rotary. For the back-to-back rotary type, one cone is in operation unwinding coil while the other is loaded with a new coil, which doubles the work efficiency of a sing...
Productor for Merch by Amazon is a toolkit that puts your Merch by Amazon product management and research on steroids.Easy Excel or Numbers Sheet...