By comparison the thermal conductivity of most metals is several thousand times larger, metals conduct heat well, but non-metals such as charcoal or skin do not.
(the thermal conductivity of most metals; is well; several thousand times larger, metals conduct heat well, but non-metals such as charcoal or skin do not)
the thermal conductivity of most metals
is well
several thousand times larger, metals conduct heat well, but non-metals such as charcoal or skin do not