"There's a lot we can do, taking the business from a custom to a semi-custom approach, " says Dell.

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Custom-builts approach the power and speed of racers, but, as one-of-a-kinds, they also reflect the distinctiveness and eccentricities of the builder and the owner.

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Willem Pennings, a Senior Consultant at BTS, told CNN that businesses approach BTS to request custom-made simulations that replicate the way their business functions or that teach specific skills.

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