traditional Acehnese houses
... that the roof plates of traditional Acehnese houses are lashed to the beams using ropes, so that the roof can be quickly detached in case of fire?
... that the roof plates of <b id="mwAng"><a href="./Rumoh_Aceh" id="mwAnk" rel="mw:WikiLink" title="Rumoh Aceh">traditional Acehnese houses</a></b> are lashed to the beams using ropes, so that the roof can be quickly detached in case of fire?