K pattern
... that the Polish resistance in World War II designed and produced hundreds of flamethrowers, most of them of the K pattern model ?
... that the <a class="mw-redirect" href="./Polish_resistance_in_World_War_II" id="mwA1I" rel="mw:WikiLink" title="Polish resistance in World War II">Polish resistance in World War II</a> designed and produced hundreds of <a href="./Flamethrower" id="mwA1M" rel="mw:WikiLink" title="Flamethrower">flamethrowers</a>, most of them of the <b id="mwA1Q"><a href="./K_pattern_flamethrower" id="mwA1U" rel="mw:WikiLink" title="K pattern flamethrower">K pattern</a></b> model <i id="mwA1Y">(pictured)</i>?