Atmospheric Pressure Crushes a 55 Gallon Steel Drum thechemman منتشر شده در تاریخ 1389/03/13 Watch a 55 gallon steel drum get crushed by the awesome power of atmospheric pressure. ... Watch a 55 gallon steel drum get crushed by the awesome power of atmospheric pressure. همه توضیحات ... #science_technology #air_pressure #crush #steel_drum #can_crush #55_gallon #science #demonstration #cool همه برچسب ها ... #atmospheric_pressure #phase_change #awesome_power #atmospheric_pressure_demonstration #air_pressure_demonstration