ws ts family riding bicycles together on country road / richmond, virginia, usa - 頭盔 個影片檔及 b 捲影像00:09
construction engineer in silhouette shot ,checking with digital tablet and blueprint - 頭盔 個影片檔及 b 捲影像00:19
low angle close up man riding motorbike on street / lights reflecting on helmet / southend-on-sea, essex, england - 頭盔 個影片檔及 b 捲影像00:14
ms woman putting on helmet and gloves, standing by motorcycle on street / london, united kingdom - 頭盔 個影片檔及 b 捲影像00:18
machine rams into test football helmet at a riddell testing lab in rosemont, ill. - 頭盔 個影片檔及 b 捲影像00:39
ms woman removing helmet, standing by motorcycle on street / london, united kingdom - 頭盔 個影片檔及 b 捲影像00:05
low angle group of young boys wearing red football jerseys running and breaking through banner - 頭盔 個影片檔及 b 捲影像00:06
ws two businessmen wearing hard hats and typing on laptop while monitoring gauges in control room / vista del mar, california, usa - 頭盔 個影片檔及 b 捲影像00:10
medium shot tilt up portrait of woman wearing helmet posing with mountain bike / smiling at cam - 頭盔 個影片檔及 b 捲影像00:08
medium shot tilt up portrait of woman wearing helmet posing with dirt-covered mountain bike / smiling at cam - 頭盔 個影片檔及 b 捲影像00:07
close up portrait smiling bearded hispanic bike messenger looking at camera outdoors / nyc - 頭盔 個影片檔及 b 捲影像00:06
motorcycles and other traffic move along a highway in new delhi, india. available in hd. - 頭盔 個影片檔及 b 捲影像00:03
dolly shot tracking shot angry architect in hard hat talking on cellular phone walking in building under construction - 頭盔 個影片檔及 b 捲影像00:13
ms f-16 pilot silhouetted in front of f-16 fighter jet at sunset, aurora, colorado, usa - 頭盔 個影片檔及 b 捲影像00:09
cu slo mo female athlete wearing helmet on racing bicycle with mist falling around / los angeles, california, united states - 頭盔 個影片檔及 b 捲影像00:22
ms pan bikers punching fists + talking near shaver lake in sierra national forest / fresno county, california, usa - 頭盔 個影片檔及 b 捲影像00:13
ms teenage boxer (14-15) punching at camera, delivering the knock out blow / jacksonville, florida, usa - 頭盔 個影片檔及 b 捲影像00:26
low angle close up tracking shot driver steering around curves in cockpit of formula one race car - 頭盔 個影片檔及 b 捲影像01:05
early medieval collection display at the british museum; england: london: british museum:int general views of artefacts on display in early medieval... - 頭盔 個影片檔及 b 捲影像08:39
mario andretti putting on helmet + seat belt on phoenix international raceway / newsreel - 頭盔 個影片檔及 b 捲影像00:07
sarajevo relief begins; bosnia-herzegovina: sarajevo french hercules transport aircraft along on runway r-l as arrives with contingent of french... - 頭盔 個影片檔及 b 捲影像02:08
nazi german soldiers from battleship "schleswig-holstein" marching into warsaw in steel helmets / vs german marines from same ship marching into... - 頭盔 個影片檔及 b 捲影像01:55
german soldiers march in steel helmets in warsaw after germany's invasion of poland / warsaw citizens stand on side of street, watch / soldiers march... - 頭盔 個影片檔及 b 捲影像00:28
interior shots of cut-in-half helmets hanging on a wall at virginia tech university in blacksburg, virginia on 01-07-15, wide shots of cut in half... - 頭盔 個影片檔及 b 捲影像00:46
tilt up tilt down foreman at construction site looking at blueprints / removes hard hat + wipes forehead - 頭盔 個影片檔及 b 捲影像00:07
an instructor helps a participant to adjust a helmet attachment during a military training for civilians conducted by instructors of the 25th... - 頭盔 個影片檔及 b 捲影像00:08
