adjustable mouthpiece
11Self-contained Underwater Breathing Apparatus — Self con*tained Underwater Breathing Apparatus, n. A portable device to allow divers to breathe while under water, consisting of one or two tanks of compressed air which are strapped onto the back of the diver, and are connected by tubing to a… …
12Bassoon — Infobox Instrument name=Bassoon names= classification=Woodwind instrument (double reed) range= related= * Tenoroon * Contrabassoon (double bassoon) * Dulcian * OboeThe bassoon is a woodwind instrument in the double reed family that typically… …
13Marching band — For the Swedish band, see Marching Band (band). Goin Band from Raiderland, a college marching band in the United States Video of the Tennessee Volunteers Pride of …
14Mechanical ventilation — In architecture and climate control, mechanical or forced ventilation is the use of powered equipment, e.g. fans and blowers, to move air  see ventilation (architecture). Mechanical ventilation Intervention …
15Bass clarinet — Infobox Instrument name=Bass clarinet names= classification=Woodwind instrument (single reed) range= related=Clarinet family *Clarinet *E♭ clarinet *Basset clarinet *Basset horn *Alto clarinet *Contra alto clarinet *Contrabass clarinet articles=… …
16Dental braces — (also known as orthodontic braces, or simply braces) are devices used in the orthodontic industry that help align and straighten teeth and help to position them with regard to a person’s bite, while also working to improve dental health. They are …
17Respirator — A respirator is a device designed to protect the wearer from inhaling harmful dusts, fumes, vapors, and/or gases. Respirators come in a wide range of types and sizes used by the military, private industry, and the public. Respirators range from… …
18Bocal — A bocal is the mouthpiece of a musical instrument. It s a curved, tapered tube, which is an integral part of certain woodwind instruments, including the bassoon, contrabassoon, and English horn, and which connects the reed to the rest of the… …
19Experimental musical instrument — Gage Averill playing an experimental hydraulophone pipe organ made from a piece of sewer drainage pipe and plumbing fittings in 2006 An experimental musical instrument (or custom made instrument) is a musical instrument that modifies or extends… …
20Horse harness — Horse in harness with horse collar A closeup of a …
