how to make smoke absorber machine!! used dc motor!! best science project!#scienceproject #viral
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best science project
smoke absorber machine
how to use all material
12 volt DC motor
12 volt dc adaptor
cardboard
PVC pipe
botal
tape roll
how to make
science project
smoke absorber machine
#viral
#scienceexperiment
#scienceproject
#tech
#popular
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