Day-Elder
... that Day-Elder both propelled and pushed their trucks with worm drive?
... that <b id="mwBow"><a href="./Day-Elder" id="mwBo0" rel="mw:WikiLink" title="Day-Elder">Day-Elder</a></b> both propelled and pushed their trucks with <a href="./Worm_drive" id="mwBo4" rel="mw:WikiLink" title="Worm drive">worm drive</a>?