The base of the structure, it should find a new acrylic material due to heat accumulation kathon acrylic material less suitable for reuse, such as stainless steel, because stainless steel heat accumulated sathon than acrylic are both strength and durability than the acrylic part of subsequent use of magnets attract magnetic bar in a beaker, it should change the new magnet magnet that replaced it must be gravity than the original in order to make the magnetic stirring bar solution in a beaker, various volumes.
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