3D Systems DDD: With total sales of $653.7 million for the financial year 2014, the Zacks Rank #3 (Hold) stock’s portfolio boasts industry-leading 3D printing technologies like Stereolithography, Selective Laser Sintering and ColorJet Printing, among others.
What is the relationship between '3D Systems' and '3D printing' in the context of the input sentence.
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