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（） Ⅰ.the use of appropriate internal communication systems Ⅱ.the use of GMDSS Ⅲ.the escape routes from machinery space Ⅳ.the number location and types of fire-fighting equipment in the machinery spaces