0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร5 minโก๏ธ6 min 15 sec5 min4 min 10 sec3 min 20 sec2 min 56 sec2 min 30 sec2 minIntroduction0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร5 minโก๏ธ6 min 15 sec5 min4 min 10 sec3 min 20 sec2 min 56 sec2 min 30 sec2 minIntroductionYour user agent does not support the HTML5 Video element.