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#tongue obstruction #airflow direction #phonetics #lateral articulation #consonant mechanics #sound production

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#air vent #ductwork #airflow direction #contained air #plenum space #air intake

💨🌬️➡️⬅️

#air exchange #airflow direction #circulate #air movement #intake exhaust

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#pneumatic actuator #air cylinder valve #directional control valve #robot air valve #airflow direction