package com.openxc.units;

/**
 * Pounds per square inch is an imperial derived unit of pressure.
 */
public class PoundsPerSquareInch extends Quantity<Number> {

    public PoundsPerSquareInch(Number value) {
        super(value);
    }
}

package com.openxc.units;

/**
 * Pounds per square inch is an imperial derived unit of pressure.
 */
public class PSI extends Quantity<Number> {

    public PSI(Number value) {
        super(value);
    }
}

Rename class inside PSI to PSI