print contrast signal control signal call control signal feedback control signal
correction signal correcting signal knife mark cutter mark
data signal fixed distance marking runway centerline marking runway centre-line markings
transmitter turn-on signal continuous space space bias wide-spectrum signal
end mark carry complete signal carry-complete signal stop-send signal
end-of-selection signal guard signal identity signal aerodrome identification sign
image signal pictorial signal picture signal out-of-coverage indication signal
guide sign information sign informative sign contact interrogation signal
interrupting signal interrupt signal process interrupt signal taxiway intersection marking
figures-shift signal figure-shift signal letter-shift signal AMI signal
bipolar signal proceed-to-select signal start signal sense signal
call general recall signal forward recall signal backward recall signal
continuous mark tide signal I signal in-phase signal
common-mode signal PCM signal pulse-code modulation signal fog signal
mandatory sign danger sign warning sign road hazard sign
preparatory signal start-of-block signal yield signal proceed-to-send signal
program signal call progress signal prohibitory sign aircraft stand marking
pulsing signal road-holding position marking taxi-holding position marking aiming point marking
radar raw signal raw signal raw radar signal radio signal
visibility range marker carriage return signal clock pulse clock signal
Algunos ejemplos : Resolución judicial   Refugiados   Escuela primaria   Agricultura ecológica   Tratamiento del cáncer