Polypropylene, also called olefin, is the fastest growing fiber segment in use today. It is a relatively inexpensive fiber, which is easily extruded by most carpet manufacturers. There are very few, true branded olefins available other than those brands registered by carpet manufacturers.ylon, for example, may be type 6 or type 6,6 and may be branded or unbranded. These factors influence value, price and performance as well. It is impossible to purchase carpet and anticipate performance or value by fiber ounce weight alone. In essence, two 40-ounce nylon fabrics may differ in price by 30% or more.
Drum Tower. A drum tower was a round tower built into a wall, usually connecting stretches of exterior curtain wall. The large drum towers at Beaumaris Castle are some of the best examples of this type of structure in Wales. drum tower was a round tower built into a wall, usually connecting stretches of exterior curtain wall.
Mary, Queen of Scots, held a Privy Council at Edzell in August 1562, after the Battle of Corrich. The oldest part of the castle is the late 15th century Stirling tower house. From its name it is believed that this part of the castle was built by the Stirling family. The castle is credited to have been built by Sir David Lindsay, Earl of Crawford, the head of the notorious and often lawless Clan Lindsay and Crawford. It was partially remodelled in the 16th century, when the courtyard and flanking buildings were added.