All member of the engineering watch shall be familiar with assigned watch-keeping dutiesIn addition, every member shall, with respect to the ship they are serving in have knowledge of（）<br /> Ⅰ.the use of appropriate internal communication systems<br /> Ⅱ.the use of GMDSS<br /> Ⅲ.the escape routes from machinery space<br /> Ⅳ.the number location and types of fire-fighting equipment in the machinery spaces