safety first | 위기탈출 넘버원 - shaken-up soda / insulation effect of leaves (2015.11.15) Published 8 years ago • 52K plays • Length 53:27 Download video MP4 Download video MP3 Similar videos 7:12 safety first 2:52 how to craft safety 1:45 new safety questions on chemical in baby bottles 1:26 safety - what you need to know 0:59 how to teach kids about virus safety | one minute video 1:00 safe steps first aid: choking