Thiers Issard
...that razor manufacturer Thiers Issard produces a singing razor whose blade produces a resonant tone when plucked?
...that <a href="./Razor" id="mwFYI" rel="mw:WikiLink" title="Razor">razor</a> manufacturer <b id="mwFYM"><a href="./Thiers_Issard" id="mwFYQ" rel="mw:WikiLink" title="Thiers Issard">Thiers Issard</a></b> produces a <i id="mwFYU">singing razor</i> whose blade produces a <a href="./Resonance" id="mwFYY" rel="mw:WikiLink" title="Resonance">resonant</a> <a href="./Overtone" id="mwFYc" rel="mw:WikiLink" title="Overtone">tone</a> when plucked?