When a personâs blood cells are not carrying enough oxygen through the body, the color of the blood cells changes from bright red to a darker bluish color. Because the blood flowing through the skin is a bluish color, it causes the person to develop a blueness of the skin, lips, or fingernail beds.
Twin-lead â This type of cable is a flat two-wire line. It is commonly called a 300 Ï line because the line has an impedance of 300 Ï. It is often used as a transmission line between an antenna and a receiver (e.g., TV and radio). These cables are stranded to lower skin effects.
There are several different kinds of cord strands and tassels available. 1  Single honor cord. 2  Tied honor cord. 3  Tassels in different lengths. 4  Deluxe tassels with multiple strands. 5  Mini tassels for key chains and bookmarks for souvenirs. 6  Solid or entwined strands and tassels. 7  Double or triple combinations.