Hi friends this is my new video on waste water treatment plant working model. Hope you like my new video on 3D waste water treatment plant
Requirements are
Thermocol
plastic glasses
plastic pipe
Cardboard
coloured papers
green chart paper
big pebbles
small pebbles
sand
coal
cotton
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Негізгі бет Waste Water Treatment Plant/waste water treatment plant working model/3D waste water treatment plant
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