lugged steel
... that capillary action of molten brass or silver is used to greatly increase the strength of lugged steel bicycle frames?
... that <a href="./Capillary_action" id="mwAqo" rel="mw:WikiLink" title="Capillary action">capillary action</a> of molten <a href="./Brass" id="mwAqs" rel="mw:WikiLink" title="Brass">brass</a> or <a href="./Silver" id="mwAqw" rel="mw:WikiLink" title="Silver">silver</a> is used to greatly increase the strength of <b id="mwAq0"><a href="./Lugged_steel_frame_construction" id="mwAq4" rel="mw:WikiLink" title="Lugged steel frame construction">lugged steel</a></b> <a href="./Bicycle_frame" id="mwAq8" rel="mw:WikiLink" title="Bicycle frame">bicycle frames</a>?