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To represent a CVRP in which vehicles possess flexible capacities for dissimilar products that are not combinable using OR-Tools Routing Library, you can follow these steps:

1. Define the problem: Define the locations for the pickup and delivery locations, capacities of each vehicle, and the demand for each location.

2. Create a data model: Create data model variables for the problem including demand data, distance matrix data between the locations, time windows where pickups/deliveries can be made, and resource constraints for vehicle capacities.

3. Set up the objective function: Set up the objective function to minimize the distance traveled by the vehicles.

4. Create routing constraints: Set up routing constraints to ensure that the vehicles follow feasible routes without violating constraints such as time and capacity constraints.

5. Solve the problem: Solve the problem using the OR-Tools Routing Solver to find the optimal solution that minimizes the distance traveled while fulfilling all constraints.

6. Analyze the solution: Analyze the solution obtained to confirm that all constraints have been fulfilled, and make adjustments if necessary.