import org.jscience.physics.amount.Amount;\r
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import com.billkuker.rocketry.motorsim.ChangeListening;\r
import com.billkuker.rocketry.motorsim.Grain;\r
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public class GrainPanel extends JPanel {\r
import org.jscience.physics.amount.Amount;\r
\r
import com.billkuker.rocketry.motorsim.ChangeListening;\r
import com.billkuker.rocketry.motorsim.Grain;\r
\r
public class GrainPanel extends JPanel {\r