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electric bell
Tags: class, model, physics, project, Simple
Report (1) (0) | 12 years, 9 month(s) ago
Report (0) (0) | 12 years, 9 month(s) ago
how to make easy working model for physics in class 9th
you can show about force and pressure
generate electricity from fruits.
ect
jidis
Latest activity: 12 years, 8 month(s) ago. This question has 6 answers.