YSK it can take upwards of 20-60kg of force (50-125 lbs) to compress the chest 5cm (2 inches)
from /r/YouShouldKnow
YSK可能需要超過20-60公斤的力量(50-125磅)才能將胸部壓縮5釐米(2英寸)。
YSK可能需要超過20-60公斤的力量(50-125磅)才能將胸部壓縮5釐米(2英寸)。
YSK it can take upwards of 20-60kg of force (50-125 lbs) to compress the chest 5cm (2 inches)
from /r/YouShouldKnow