\r
import org.jscience.physics.amount.Amount;\r
\r
-public class CylindricalChamber implements Chamber {\r
+public class CylindricalChamber implements Chamber, ICylindricalChamber {\r
\r
private Amount<Length> length = Amount.valueOf(200, SI.MILLIMETER);\r
private Amount<Length> oD = Amount.valueOf(31, SI.MILLIMETER);\r