These two dividend stocks have positioned themselves for long-term growth. If the market throws them on the sale rack, you should start buying.Industrial stocks have been on a tear over the past year, with the sector up nearly 20% even after a recent pullback. Buying companies like Eaton (ETN 2.27%) and Emerson Electric (EMR 0.27%) today would mean paying top dollar, or close to it, anyway.The valuations here make some sense because both have positioned themselves well for the future. But the sharp recent p ...