Task 4 Directions: The following is a list of airport items. After reading it, you are required to find the items equivalent to (与…等同) those given in Chinese in the table below. Then you should put the corresponding letters in the brackets on the Answer Sheet, numbered 51 through 55. A—assembly line J—safety boots B—packer K—shipping clerk C—forklift L—time card D—explosive materials M—warehouse E—fire extinguisher N—hard hat F—loading dock O—earplug G—machine operator P—hand truck H—electrical hazard Q—safety earmuffs I—conveyor belt Examples: (F)装载码头 (K) 51.( )易爆材料 ( )安全耳罩