here is an example of how two four bar phrases can be formed to create a section of a song. fuel savings
using such a system, fuel savings of between 10 and 20% were possible, depending on the operating conditions. this is done in order to keep the students with their peers by age, that being the intended social grouping. about a tenth of the whole area was covered by low hills with thick jungle. the clock has been set forward and back over the years as circumstances have changed;  it is set at 100 seconds to midnight. 