Each system consists of a set (4, 6 or 8) of individual, portable heavy duty lifts, connected to a Central Control Unit. The Central Control Unit contains a computer,which monitors and controls the operation of the lifting columns. Each column is cable linked to The Central Control Unit. The computer separately monitors each lift. During operation, the data is continuously analyzed by the computer and coordinated with data from the other lifts in the system to deliver a synchronized lifting / lowering operation.