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Printable certificate
Certificate-degree can have your Hereby certify & autherize
delivered to his owner by ETTech certified technician Donald Keith Voyles granted, EPA permit 608© code R-22 4-10 and A-147 refrigerates.Know federal,state regultions on charging and disposal of these products. !
Certificate will be sent to the specified email address.
Customize my own certificate
Buy this diploma as a NFT!!
You will obtain a certified NFT of your diploma in your Solana wallet, for the price of 1 dollar.
Buy the NFT