The players has two similar NFT’s of the same grade on the maximum level player places two NFT’s into the shuttle and send it to Manewer Galaxy (sending both NFT’s to the smart contract). Result is crafting the new Grade NFT with an upper level. Grading can take up to 1 week to be done, depending on grade level. Margin both NFTS will Burn them, they will be lost forever in results you will receive new with higher level.