Complete the summary using the list of words,A-I, below.
Deep diving craft A、diving craft has to be (37) enough to cope with the enormous pressure of the abyss, which is capable of crushing almost anything. Unlike creatures that live there, which are not (38) because they contain compressed water, a submersible is filled with (39) If it has a weak spot in its construction, there will be a (40) explosion of water into the craft. A、ocean B、air C、deep D、hollowE、sturdyF. atmosphere G. energetic H. violentI. heavy