["simulated:portable_engine","simulated:rope_connections","simulated:navigation_table","aeronautics:propeller_bearing_size","simulated:rope_intro","create:chain_gearshift","aeronautics:envelope","create:gearshift","simulated:gimbal_sensor_intro","create:clutch","simulated:honey_glue_intro","aeronautics:propeller_pressure","simulated:laser_pointer","aeronautics:levitite","create:rotation_speed_controller","simulated:velocity_sensor","aeronautics:propeller_bearing_thrust"]