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Miembro desde hace
3 years 5 monthsEdad: 11-15
Level: 8
Idioma: Kannada
(kn)
ID: 575261
08/12/2020
Country code: IN
Country: India
Tema principal: Science (1881358)
This activity is purely for students to know the strength of fibers of cotton, wool, polyester, nyoln and silk.
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