Having a spa in SE Pennsylvania requires the responsibility of regular maintenance, repairs, and setups. Whether you require spa repair, our team of skilled technicians can provide top-notch service across Lehigh Counties. From hot tub installation to hot tub leak repair, we cover all aspects of hot

substitution, commutation, exchange - the act of putting one thing or individual within the place of another: "he despatched Smith in for Jones but the substitution arrived much too late to help" 2. A person that replaces another: The retiring supervisor's replacement will begin nex