Will I get travelling expenses? high school assignment help Does that mean shoulder belts in airplanes would prevent such injuries? Okonkwo said that's simplistic considering how much more speed and force are involved in a plane crash. Shoulder belts might just transfer that force to the neck, he cautioned. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])