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				@@ -89,8 +89,7 @@ public class Device implements Serializable{ 
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				         builder.append(device.getLng()).append(","); 
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				         builder.append(device.getLat()).append(","); 
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				         builder.append(device.getSpeed()).append(","); 
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				-        builder.append(device.getStep()).append(","); 
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				-        builder.append(device.getTerminalState()); 
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				+        builder.append(device.getStep()); 
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				         return builder.toString(); 
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				     } 
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