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How to make a sundial
How to make a sundial
Sundials are seemingly simple time-measuring instruments, but it is not an easy task to build an accurate one.
Geografija
9 – 12. godina
Autor: Kovács Attila
Lektor: Csányi Sándor
Grafičar: Molnár Mónika
Programer: Gálea Patrik, Jeszenszky Anna
Oznake
MozaLink
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