The Suling (Flute)

The Sulling (flute) is a musical instrument from the family of wooden wind instruments. Sulling (flute) sound characterized by soft and can be combined with any other musical instrument well.

Modern Sulling (flute) to the experts generally made of silver, gold or a mixture of both. While the Sulling (flute) for students generally made of nickel-silver or silver plated metal.

Standard concert Sulling (flute) pitched tones C and has a range of 3 octaves starting from middle C. However, in some Sulling (flute) to the experts there are additional key to achieving the tone B below middle C. This means that the Sulling (flute) is one of high musical instrument orchestra, only Piccolo higher than the flute. Piccolo is a small Sulling (flute)  an octave higher than standard concert Sulling (flute). Piccolo is also commonly used in the orchestra.

Modern concert Sulling (flute) has many options. B-flat thumb key (invented and pioneered by Briccialdi) standard. B foot joint, however, is an extra option for middle-and upper model and professional.

Open-holed Sulling (flute), also called "French Flute (where some keys have a hole in the middle so the players have to close it with his finger) the public on concert level players. However, some Sulling (flute) players (especially the students, and even some experts) chose the closed-hole plateau key. Students generally use temporary cover to cover the hole until they had mastered a very precise finger placement. 
from Wikipedia