The warning notice at the entrance should be carried as same as the IMO Resolution A.468(XII), which has the description under the symbol.And the sign “DANGEROUS NOISE – USE OF HEARING PROTECTORS MANDATORY” should also been carried, since the sound level is type II according to the noise measurement result.
入口的警告通知应与国际海事组织决议A.468(XII)相同,该决议在标志下有说明。此外,由于根据噪音测量结果,噪音等级为II级,因此还应携带“危险噪音-强制使用听力保护器”的标志。