Why Do Zippers Have Initials Ykk on Them?
Why Do Zippers Have Initials Ykk on Them? The initials YKK stand for Yoshida Kōgyō Kabushiki gaisha (Yoshida Manufacturing Corporation), which was the name of the...
Read MoreWhy Do Zippers Have Initials Ykk on Them? The initials YKK stand for Yoshida Kōgyō Kabushiki gaisha (Yoshida Manufacturing Corporation), which was the name of the...
Read MoreWhat Is 14k Gold? In different parts of the world, different karat weights are preferred. Americans like 10 and 14 karat gold. Asians prefer 18 and 22 karat gold. But...
Read MoreThe Super Ball made its big bounce into the world in 1965. An extremely elastic ball known for its high coefficient of restitution. This curiously bouncy ball was...
Read More