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This table is made of iron.

This kind of table is made by Tom.

This table is made by my dad.

Are they OK?

Thank you
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The last should be

This table was made by my dad.
Comments  
Yes.
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Yes, they are grammatically correct
 nona the brit's reply was promoted to an answer.
<The last should be

This table was made by my dad.>

Not if the table is one model among many in a factory.
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