 So number one, protecting duties, import taxes, now called tariffs, or duties on those foreign articles which are the rivals of domestic ones intended to be encouraged. So number one, raise the cost of imported goods. Number two, prohibition of rival articles or duties equivalent to prohibitions. On some things that we think it's really important to make in America, make the duties, the tariffs, so high that nobody would want to import them so there'll be a strong domestic manufacturing presence.