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and ecological systems
Lower concentrations of these substances will react with the strip at 5 - 10 ppm
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Free Fall Apparatus Spare Parts and Accessories blocks and ecological systemsThese include Spare Parts and Accessories of a Free Fall Apparatus, mechanical and solenoid release, used in physics experiments related to studying free fall motion. These parts are for maintenance or customisation of the apparatus. Brand: IEC Product Code Item Descriptions SE. PA1871 325 Lower Platform SE. PA1871 331 Balls Set of 3 each ball has threaded holes for storage and for releasing. Materials: 1 brass, 2 aluminum; different sizes SE. PA1871
