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While the ability to in-situ monitor the SLM process is of key importance for future quality control methods.In this work lattice structures were fabricated , using the single exposure scanning strategy , on a Renishaw 500M SLM machine .
 in-situ, SLM, process, quality control, lattice structures, fabricated, exposure, SLM, machine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 in-situ, SLM, process, quality control, lattice structures, fabricated, exposure, SLM, machine