The Massachusetts Bay Transportation Authority, often referred to as the MBTA or The T, is the public operator of most bus, subway, commuter rail, and ferry routes in the greater Boston, Massachusetts area.n FY2005, there were on average 363,500 weekday boardings of MBTA-operated buses and trackless trolleys (not including the Silver Line), or 31.8% of the MBTA system. Another 4,400 boardings (0.38%) occurred on subsidized bus routes operated by private carriers.
endpin jack: an electrical connector that doubles as a strap holder at the bottom of a guitar or other instrument; sometimes called a âstrap jack.â. electronics (package) : a unit that allows for amplification of a particular instrument; generally consists of a pickup, preamp, power source, and an endpin jack.
The truss rod is part of a guitar or other fretted, stringed-instruments that stabilizes the lengthwise forward curvature (also called relief), of the neck. Usually it is a steel bar or rod that runs inside the neck, beneath the fingerboard.sually, the truss rod of a brand-new instrument is adjusted by the manufacturer before sale. Normally, turning the truss rod's adjustment bolt clockwise tightens it, counteracting the tension of the strings and straightening the neck or creating a backward bow.