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RE: Support minnows , Date 30.4.2018 promote content on Steemit
Congratulation for the winner's. I hope your visit my post about experiment corrosion inhibitor is environmentally friendly. May be your intersted.
https://steemit.com/steemiteducation/@dewinurramadana/study-testing-of-guava-leaf-extract-and-papaya-as-corrosion-inhibitor-4f1506db6e12e