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Member for
3 ปี 3 เดือนAge: 10-14
Level: 6
Language: English
(en)
ไอดี: 1865124
11/02/2022
Country code: EG
Country: Egypt
Main content: Electric conductivity (1702484)
From worksheet author:
Electric conductivity and energy transfer
Other contents:
Energy transfer, Pollution
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