RE: INVENTION OF X RAY FOR CHILDREN TO UNDERSTAND — Steemit

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RE: INVENTION OF X RAY FOR CHILDREN TO UNDERSTAND

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societyengineer (48)in #steemiteducation • 6 years ago

Scientist invent the technology but business world make the money over that invention:)

6 years ago in #steemiteducation by societyengineer (48)

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methusalem (67) 6 years ago

That is so very true thanks for your reply.

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