90% Furnace venting. Posted on August 22, 2012 by Andy. With these higher efficiency furnaces, came some other considerations. The 90% implies that 90% of the heat that is put into the furnace is transferred into the duct system and subsequently into the homes living space leaving only 10% going out the exhaust.
The definition of a direct primary election is when people vote for candidates of their political party by direct vote instead of by delegates at a convention.
The Republican Party presidential primaries and caucuses are indirect elections in which voters cast ballots for a slate of delegates to the 2016 Republican National Convention; these delegates in turn directly elect the Republican Party's presidential nominee.ain article: Republican Party presidential candidates, 2016. Individuals included in this section have taken one or more of the following actions: formally announced their candidacy; filed as a candidate with Federal Election Commission (FEC) (for other than exploratory purposes).