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make the water muddy
Steel, aluminum, rubber, silicone, oil, etc
the moment of inertia of a material bar by the bifilar suspension method
All rivers carry material in suspension, therefore, the water could appear clear to muddy.
The frame material doesn't make much difference. The important thing here would be the frame shape and weight, the seating material and shape, what tires are being used, and what, if any, suspension the bike has, as well as what sort of handlebar grips it has.
the answer is steel
sand
Velour material is material used to make tracksuits etc.
The material is Horse Hair :)
what materials were used to make aboriginal objects
liquid suspension and powdered suspension
Steel is used.