Major thirds tuning string sets for standard tuning. Major-thirds tunings require less hand-stretching than other tunings, because each M3 tuning packs the octave's twelve notes into four consecutive frets. The major-third intervals allow major chords and minor chords to be played with two–three consecutive fingers on two consecutive frets. Every major-thirds tuning is regular and repetitive, two properties that facilitate learning by beginners and improvisation by advanced guitarists. In major-thirds tuning, the chromatic scale is arranged on three consecutive strings in four consecutive frets. This four-fret arrangement facilitates the left-hand technique for classical (Spanish) guitar: For each hand position of four frets, the
Rule of thirds (military) the few nations that can afford both the manpower costs of doing this, while still being able to ensure that enough boats are in service to have the ability regularly to stagger boats out for deep maintenance without appreciably affecting the total number available. Rule of thirds (military) The rule of thirds is a rule of thumb used when planning for the deployment and usage of a military organisation, according to which one third of the total military forces involved should be available for operations, one third should be preparing for operations and the final third, having been on operations,