Twynham hut
... that the Royal Pioneer Corps could build a Twynham hut in four minutes?
... that the <a href="./Royal_Pioneer_Corps" id="mwAZU" rel="mw:WikiLink" title="Royal Pioneer Corps">Royal Pioneer Corps</a> could build a <b id="mwAZY"><a href="./Twynham_hut" id="mwAZc" rel="mw:WikiLink" title="Twynham hut">Twynham hut</a></b> in four minutes?