According to Load Line , Protection of crew:

验船师考试题

题干		According to Load Line , Protection  of crew:
备    选    项	A	The opening below  the lowest course of the guard rails shall not exceed 210mm.
	B	The other course shall be not  more than 500mm apart.
	C	The opening below  the lowest course of the guard rails shall not exceed 230mm.
	D	The other course shall be not  more than 380mm apart.
答案		C and D
依据    （出处）		Annex  I, Regulation 25