I tried to repair my grandpa's old and rusty hammer 

Removing rust from the hammer while preserving the original shape as much as possible
#Rust remover #Polishing #Polishing agent #Polishing #Rust
*Items used this time
・Rust remover
Amazon
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·citric acid
Amazon
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・Sodium carbonate
Amazon
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・Laser machine
Amazon
amzn.to/3sGj2PL