The ozone layer is the Earth's natural sunscreen, filtering out harmful ultraviolet (UV) rays from the sun. UV rays can cause damage to humans and other forms of life. Although the ozone layer is high up in the atmosphere, chemical substances used at the surface of the planet can damage it.
Yagi Name Meaning. Japanese: âeight treesâ; taken from a valley in Tajima (now part of Hyogo prefecture) by a branch of the ancient Kusakabe family, which descended from Emperor Nintoku (early 5th century).
Founded by Tadao Yoshida in Tokyo in 1934, YKK stands for Yoshida Kogyo Kabushikikaisha (which roughly translates as Yoshida Company Limited). The young Yoshida was a tinkerer who designed his own customized zipper machines when he wasnât satisfied with existing production methods.