Under the Matthew Shepard and James Byrd, Jr. Hate Crimes Prevention Act of 2009, CRS also helps communities prevent and respond to hate crimes based on actual or perceived race, color, national origin, gender, gender identity, sexual orientation, religion, or disability.
Frequently Asked Questions. Keramikos Kitchen ceramic knives are made of an advanced, high-tech ceramic called zirconium oxide (also called Zirconia). Zirconium oxide is extremely hard, wear resistant, and chemically inert. Zirconium oxide has a hardness of 8.2 on the mohs scale of hardness (vs.
Knife-like tools were used at least two-and-a-half million years ago, as evidenced by the Oldowan tools. Originally made of rock, bone, flint, and obsidian, knives have evolved in construction as technology has, with blades being made from bronze, copper, iron, steel, ceramics, and titanium. Many cultures have their unique version of the knife.