1985 Makita Circular Saw Restoration

This is my brother's circular saw that he got it from second hand shop. It is 100V, 650W 50Hz-60Hz, 155~160mm, 7A-4000/min, 1985 December Makita Circular Saw.
In this videos I recorded it step by step the process of inside cleaning & outside restoration.
I hope you find something useful & enjoy from this this video!
I am happy to receive your feedback, advices, suggestions to improve myself.
!!! I make this video for just curious & challenge, so please accept my apologies if I have made mistake(s) in this restoration !!!
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