Myasthenia (my-from Greek Î¼ÏÎ¿ meaning muscle + -asthenia á¼ÏÎ¸Î­Î½ÎµÎ¹Î± meaning weakness), or simply muscle weakness, is a lack of muscle strength. The causes are many and can be divided into conditions that have either true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy. It occurs in neuromuscular diseases, such as myasthenia gravis.
Arbor. The arbor size is standard for each standard size miter saw. For 8-inch and 10-inch miter saws, the standard arbor size is 5/8 inch. Miter saws that are 12 inches require a 1-inch arbor. Retail miter saws are sold with an arbor and bevel. The bevel can be adjusted to cut wood at different angles.
Saw RIDGID MS1290LZA Operator's Manual 12 in. sliding compound miter saw with laser double insulated (40 pages) Saw RIDGID MS 1290 Owner's Manual 12 inch dual bevel slide compound miter saw (56 pages) Saw RIDGID ms12500 Owner's Manual 12 inch compound miter saw (36 pages)