0.8×1×1.2×1.5×1.7×2×2.5×4 min⚡️4 min 32 sec3 min 38 sec3 min 1 sec2 min 25 sec2 min 8 sec1 min 49 sec1 min 27 secTeachab.com0.8×1×1.2×1.5×1.7×2×2.5×4 min⚡️4 min 32 sec3 min 38 sec3 min 1 sec2 min 25 sec2 min 8 sec1 min 49 sec1 min 27 secTeachab.comYour user agent does not support the HTML5 Video element.