2) The altitude above mean sea level. This is important for long range precision shooting because the air density changes with elevation and affects the path of the bullet. Extractor* A device that withdraws or elevates a fired shell casing or a live round from the chamber as the breech mechanism is opened.
The rebec (sometimes rebecha, rebeckha, and other spellings, pronounced /ËriËbÉk/ or /ËrÉbÉk/) is a bowed stringed instrument of the Medieval era and Renaissance era. In its most common form, it has a narrow boat-shaped body and 1-5 strings.he instrument was used by dance masters until the 18th century, however, often being used for the same purpose as the kit, a small pocket-sized violin. The rebec also remained in use in folk music, especially in eastern Europe and Spain. Andalusi nubah, a genre of music from North Africa, often includes the rebec.
Another important characteristic of the jarana strumming is the use of the rasgueo, derived from rascar (to scratch), the musician drags the thumb or fingers across the strings producing a distinctive musical sound that makes the son jarocho unique.he jarana, in most sones veracruzanos, plays a repeated strum pattern, termed m nico, the repeated harmony determines the speed of the song and style. The m nicos or, alternatively, maniqueos are melodic lengths and phrasings, and tendencies of harmonic rhythm expressed in duple meter or triple meter.