WW2 R.A.F. Squadrons generally consisted of 12 aircraft available, although there were operational variations. Depending on role, the squadron would be made up of 'A' Flight and 'B' Flight, each of 6 operational aircraft. On fighter squadrons, the Flights were sub-divided into sections, eg, Red Section, Blue Section, etc, of 2-3 aircaft, again depending on operational requirements.
Simple machines provide a vocabulary for understanding more complex machines. A simple machine is a mechanical device that changes the direction or magnitude of a force.
large flash cards. Tools for Educators is a website developed by MES with worksheet generators to make vocabulary and language building teaching materials, using the images from these flashcards. There are simple spelling, matching, reading and writing worksheet makers as well as communicative games, vocabulary handouts and fun activities to print.