He carefully observes the layout and makes sure an escape path is clear. The gas canisters must be placed outside, so that if there is a fire it does not spray onto the workers or guests. Also, the cooking and washing up areas have to be separate, so that there are no accidents caused by wet floors.
一定要先觀察好並清開逃生路線；此外，瓦斯桶開口一定要朝外，否則萬一著火不但會往人身上噴，也關不到源頭；鍋爐和洗東西的地方要分開，才不會濕滑危險… …。