young business people colleagues returning from their break. man and woman in formal suits going up stairs into office building. multi racial partnership, communication business people concept. close up - 階梯踩踏機 個影片檔及 b 捲影像00:07
maintenance and repair hydraulic boom mobile lift crane - aerial platform mobile lift - telescopic boom mobile lift - mobile construction crane - 4k resolution - 階梯踩踏機 個影片檔及 b 捲影像00:16
low angle shot of chubby man is exercising at the gym on the stair climbing. - 階梯踩踏機 個影片檔及 b 捲影像00:32
on the stair climbing machine, woman talking on mobile phone while carrying a gift - 階梯踩踏機 個影片檔及 b 捲影像00:15
close-up of chubby man's body working out on eliptical trainer at a gym. - 階梯踩踏機 個影片檔及 b 捲影像00:24跑步機, 運動訓練
front view: asian construction worker, holding blueprin t paper or constuction plan, checking the renovating progress with renoavating owner and pointing structual defect while walking up in stair at construction site. - 階梯踩踏機 個影片檔及 b 捲影像00:17
foreman worker step walking up to the wind turbine tower building for inspection of turbine propeller engine - 階梯踩踏機 個影片檔及 b 捲影像00:11
a close-up view from above in the background of the automatically moving stairs. - 階梯踩踏機 個影片檔及 b 捲影像00:15
a pair of teenage men and women who have shopped are standing on an escalator. - 階梯踩踏機 個影片檔及 b 捲影像00:10
cheerful modern young woman black ethnicity having a fun time at the shopping mall - 階梯踩踏機 個影片檔及 b 捲影像00:06
chicago, il, u.s. - people at brooklyn boulders gym during covid-19 pandemic on saturday, september 19, 2020. - 階梯踩踏機 個影片檔及 b 捲影像00:29
people exercising at crunch fintess gym after its reopening during covid-19 pandemic in burbank, california, u.s., on tuesday, june 23, 2020. - 階梯踩踏機 個影片檔及 b 捲影像00:48跑步機
