is a ceramic material made by heating materials, generally including kaolin, in a kiln to temperatures between 1,200 and 1,400 °C (2,200 and 2,600 °F). The toughness, strength, and translucence of porcelain, relative to other types of pottery, arises mainly from vitrification and the formation of the mineral mullitewithin the body at these high temperatures.
a decorative clothing accessory of the medieval and Tudor periods used to fasten outer garments or to drape up skirts. Made of base metal or precious silver and silver-gilt, dress hooks are documented in wills and inventories, and surviving hooks have been identified in the archaeological record throughout England.
"Dress hook" is the modern specialist terminology. In historical records, these items are referred to simply as "hooks", and context may be needed to differentiate them from hook-and-eye closures, which were also used in large quantities, in both base and precious metals, in the 15th and 16th centuries.
a number, numeral, and glyph.
3, three, or III may also refer to:
• < 3 or the heart symbol, which cannot be redirected because of technical limitations.
• AD 3, the third year of the AD era
• 3 BC, the third year before the AD era
• The month of March
• An approximation of pi to the nearest integer
• An approximation of e to the nearest integer ...
refers to a hole that is reamed, drilled, or milled to a specified depth without breaking through to the other side of the workpiece. The etymology is that it is not possible to see through a blind hole. Other types of holes also include through holes, and clearance holes. In this instance blind may also refer to any feature that is taken to a specific depth, more specifically referring to internally threaded hole (tapped holes) ...