Why are some gemstones like ruby and emerald red and green, yet diamond is colorless? As with many things in life, when it comes to gemstones, looks can be deceiving. While all are beautiful, rubies, sapphires, and diamonds each attain their brilliant color through different means. Transition metals can transform even the plainest crystal into a coveted treasure.
abraxaszugzwang commented on the word chikan Chikan (ç´æ¼¢, ?ã«ã³, or ? ? ã) is a Japanese term meaning molester or pervert. The term is frequently used to describe people, who take advantage of the crowded conditions on the public transit systems to touch people, primarily females, sexually. March 29, 2007
For more recent articles on process improvement and operational excellence, check our latest articles. Kanban is one of the Lean tools designed to reduce the idle time in a production process. The main idea behind the Kanban system is to deliver what the process needs exactly when it needs it. In Japanese, the word Kan means visual and ban means card, so Kanban refers to visual cards.