diff --git a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.fxml b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.fxml
index bdfbc35..6f7f89a 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.fxml
+++ b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.fxml
@@ -10,18 +10,18 @@
 <Pane fx:id="main_pane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="608.0" prefWidth="933.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="io.sarl.demos.fireworks.gui.FXMLViewerController">
    <children>
       <Canvas fx:id="draw_zone" height="583.0" layoutX="199.0" layoutY="13.0" rotate="180.0" width="715.0" />
-      <Button fx:id="setup_button" layoutX="26.0" layoutY="45.0" mnemonicParsing="false" onAction="#actionSetup" text="Setup" />
-      <Button fx:id="launch_button" disable="true" layoutX="26.0" layoutY="89.0" mnemonicParsing="false" onAction="#actionLaunch" text="Launch" />
+      <Button fx:id="setup_button" layoutX="26.0" layoutY="45.0" mnemonicParsing="false" onAction="#actionSetup" text="%SetupButtonText" />
+      <Button fx:id="launch_button" disable="true" layoutX="26.0" layoutY="89.0" mnemonicParsing="false" onAction="#actionLaunch" text="%LaunchButtonText" />
       <AnchorPane layoutX="30.0" layoutY="145.0">
          <children>
             <ScrollBar fx:id="gravity_input" max="3.0" onMouseEntered="#actionGravityDisplay" prefHeight="17.0" prefWidth="159.0" unitIncrement="0.1" value="0.5" />
             <Label fx:id="gravity_display" layoutX="113.0" layoutY="17.0" prefHeight="17.0" prefWidth="46.0" text="0,5" />
-            <Label layoutY="17.0" prefHeight="17.0" prefWidth="46.0" text="gravity" />
+            <Label layoutY="17.0" prefHeight="17.0" prefWidth="46.0" text="%GravityLabelText" />
          </children>
       </AnchorPane>
       <AnchorPane layoutX="27.0" layoutY="255.0">
          <children>
-            <Label layoutX="4.0" layoutY="17.0" text="fire quantity" />
+            <Label layoutX="4.0" layoutY="17.0" text="%FireQuantityLabelText" />
             <Label fx:id="fire_quantity_display" layoutX="117.0" layoutY="17.0" prefHeight="17.0" prefWidth="46.0" text="30" />
             <ScrollBar fx:id="fire_quantity_input" layoutX="4.0" max="50.0" min="5.0" onMouseEntered="#actionFireQuantityDisplay" prefHeight="17.0" prefWidth="159.0" value="30.0" />
          </children>
@@ -29,10 +29,10 @@
       <AnchorPane layoutX="30.0" layoutY="199.0">
          <children>
             <ScrollBar fx:id="rocket_quantity_input" max="40.0" min="1.0" onMouseEntered="#actionRocketQuantityDisplay" prefHeight="17.0" prefWidth="159.0" value="20.0" />
-            <Label layoutY="20.0" text="rocket quantity" />
+            <Label layoutY="20.0" text="%RocketQuantityLabelText" />
             <Label fx:id="rocket_quantity_display" layoutX="113.0" layoutY="20.0" prefHeight="17.0" prefWidth="46.0" text="20" />
          </children>
       </AnchorPane>
-      <Button fx:id="stop_button" disable="true" layoutX="117.0" layoutY="89.0" mnemonicParsing="false" onAction="#actionStop" text="Stop" />
+      <Button fx:id="stop_button" disable="true" layoutX="117.0" layoutY="89.0" mnemonicParsing="false" onAction="#actionStop" text="%StopButtonText" />
    </children>
 </Pane>
diff --git a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.properties b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.properties
new file mode 100644
index 0000000..0f32001
--- /dev/null
+++ b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.properties
@@ -0,0 +1,7 @@
+TITLE=SARL Demo: Fireworks Animation
+SetupButton=Configure
+LaunchButton=Launch
+StopButton=Stop
+GravityLabel=Gravity
+RocketQuantityLabel=Rocket quantity
+FireQuantityLabel=Fire quantity
\ No newline at end of file
diff --git a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.sarl b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.sarl
index 71c00c5..54fe257 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.sarl
+++ b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.sarl
@@ -2,6 +2,7 @@ package io.sarl.demos.fireworks
 
 import io.sarl.demos.fireworks.gui.FXMLViewerController
 import java.net.URL
+import java.util.ResourceBundle
 import javafx.application.Application
 import javafx.fxml.FXMLLoader
 import javafx.fxml.JavaFXBuilderFactory
@@ -12,6 +13,9 @@ import javafx.stage.Stage
 class FireworksFXApplication extends Application {
 
 	private var loader : FXMLLoader
+	
+	private val bundle : ResourceBundle = ResourceBundle.getBundle(
+		FireworksFXApplication.getPackage.name.replaceAll("\\.", "/") + "/" + FireworksFXApplication.simpleName);
 
 	@Override
 	public def start(stage : Stage) throws Exception {
@@ -19,10 +23,11 @@ class FireworksFXApplication extends Application {
 		loader = new FXMLLoader();
 		loader.setLocation(location);
 		loader.setBuilderFactory(new JavaFXBuilderFactory());
+		loader.resources = bundle
 		var root : Parent = loader.load(location.openStream()) as Parent;
 		var scene : Scene = new Scene(root);
 		scene.getStylesheets().add(getClass().getResource("ViewerController.css").toExternalForm);
-		stage.setTitle("SARL Demo: Fireworks Animation");
+		stage.setTitle(bundle.getString("TITLE"))
 		stage.setScene(scene);
 		stage.show();
 	}
diff --git a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication_fr.properties b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication_fr.properties
new file mode 100644
index 0000000..9d20255
--- /dev/null
+++ b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication_fr.properties
@@ -0,0 +1,7 @@
+TITLE=SARL Démo: Animation de feux d'artifice
+SetupButtonText=Configurer
+LaunchButtonText=Lancer
+StopButtonText=Stop
+GravityLabelText=Gravité
+RocketQuantityLabelText=Quantité de roquettes
+FireQuantityLabelText=Quantité de feu
\ No newline at end of file
diff --git a/src/main/sarl/io/sarl/demos/fireworks/gui/FXMLViewerController.sarl b/src/main/sarl/io/sarl/demos/fireworks/gui/FXMLViewerController.sarl
index 0a93706..ca17fc0 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/gui/FXMLViewerController.sarl
+++ b/src/main/sarl/io/sarl/demos/fireworks/gui/FXMLViewerController.sarl
@@ -114,6 +114,10 @@ class FXMLViewerController implements EventListener {
 			Firework.main(this);
 			launched = true;
 			areaCreated = false;
+			gravity_input.setDisable(true)
+			fire_quantity_input.setDisable(true)
+			rocket_quantity_input.setDisable(true)
+			setup_button.setDisable(true)
 		}
 		this.ispace.emit(ievent);
 	}