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facebooker_1225574800835253's profile
Joined about over 7 years ago.
facebooker_1225574800835253's timelines
Barco de vapor
teoría atómica
Termoelectricidad
Estetóscopio
locomotora de vapor
Electromagneto
cerilla
Máquina de coser (Primera)
termostato
motor de corriente directa
Grapadora
Telégrafo
Radiación ultravioleta
Lámpara o bombilla incandescente
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