The sawtoothlike wire and the flexible clothing. Flexible lothings (Figure 1) have needles embedded in a base strip, made up of layers of felt or flexible material.
Wires (Figure 2) are made up of a steel thread with sharp-edged teeth. This makes them quite wear-resistant.
When it comes to choosing between wires and flexible clothings, it must first be remarked that there are, in general, clear advantages to be derived from using former. These advantages are, first of all, increased
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