| http://www.w3.org/ns/prov#value | - Machines such as walker do not take ignorance lightly .They suffer poorly if maintenance is not a top priority or the most important thing in your life There have been a huge amount of upgrades to the walker machines 70-90% machine parts have been changed Although walker is seen to improve the mechanicals the real secret is it is an under designed machine with obvious flaws On the positive side at
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