The base is made of wood most times. The keys are metal!
Usual materials trellises are made from are CCA treated 25mm x 13mm kiln dried trellis strips and have a small surrounding frame made of the same materials. Trellises can be custom made to your specification in height, width, aperture and pattern (square/diagonal).
an example is! a small cylinder with a small opening
Magentic materials are mainly of three types. 1) Diamagnetic materials 2) Paramagnetic materials 3) Ferromagnetic materials Diamagnetic meterials are those that do not have megnetic property. Para magnets can be used as temporary magnets Ferro magnetic materials are tose which are permanent magnets. The magnets made from magnets that easily lose their magnetis catue are paramagnets.
most can are made out of aluminium. however, some i think are still being made out of tin
Plastics are made from petroleum products.
mexico
Xylophones usually play in the treble celf* - They have made xylophones for bass clef though.
Xylophones
i think all xylophones are the same
A xylophone is made out of different materials. Most xylophones are made from padauk or rosewood. The mallet is made out of willow wood.
Orchestras normally have 1 xylophone or no xylophones at all.
Of course not i mean xylophones from back then were made out of wood. But now they are made out of iron.
Metal xylophones use metal or rubber mallets. Wooden xylophones use metal mallets due to there slower vibrations. The metal mallets help increase its vibrations and make it sound as bright crisp as metal xylophones.
marimba
yes
2.
They can be both.