| http://www.w3.org/ns/prov#value | - The braking mechanism 32 has a brake shoe 60 which is made of a rubber or other resilient and wear-resistant material and is fastened with the rear end of the two side plates of the boot frame 30 by a fastening bolt 62 and a nut 63 in such a way that the brake shoe 60 is located between the third roller 26 and the fourth roller 28.
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