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ruler geometry triangle ruler school training teaching steel ruler plexiglass mathematics angle 90° 45° ruler ruler ruler ruler ruler geometry mathematics

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ruler measurement length size ruler ruler ruler ruler ruler

36

8

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150

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snail shell close up mollusk slow species snail snail snail close up close up close up slow slow slow slow slow species species species species

79

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17

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ruler wooden ruler floor earth field cuttling buried drought ruler ruler ruler ruler ruler wooden ruler wooden ruler wooden ruler buried buried buried

7

1

emperor imperator ruler rome ancient statue commander story emperor emperor emperor emperor emperor ruler rome commander

28

2

ruler steel ruler metal tool steel measurement decimal measuring instrument centimeter millimeter ruler ruler ruler ruler ruler

20

6

ruler geometry school mathematics draw ruler ruler ruler ruler ruler

75

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