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Jugar Froggy Jumps
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Bolted joints
Author :
Jon KAREAGA RUIZ DE AUSTRI
1.
What is this made of?
A
Metal
B
Stone
C
marble
2.
What is that?
A
fixed key
B
screw
C
contact adhesives
3.
Tools designed to exert the torque required to tighten or loosen bolts with the head corresponding to the spanner's open end.
A
White tail
B
Fixed keys
C
Screwdriver