- Otherincreaseswouldbestiffer.Thelanguagecorrespondinglybecamestiffer.Theconstantworkoftryingtoflexthestiffermatrixwearsthecellsout,Discherthinks.Finetooththreadself-lockingboltsofgood,mainlyforthin-walledpartsandstifferstructure.Theseshoestendtobemor...
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