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Subhanalloh sangat cantik dan indah sekali
I have a few old pocket watches and they'll say like 12 ruby movement, and they're used to cushion gear shafts to prevent metal on metal wear over time due to its hardness. Great engineering idea c:
Such a great idea it is
Subhanalloh sangat cantik dan indah sekali
I have a few old pocket watches and they'll say like 12 ruby movement, and they're used to cushion gear shafts to prevent metal on metal wear over time due to its hardness. Great engineering idea c:
Such a great idea it is