8940
As currently developed , stepped-grating has the larger field-of-view—examination of an entire test object—whilst single-shot has the potential for real-time , in situ measurement of the printing process within 1 mm of the printhead .
 As, in situ, printing process, mm
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:
 As, in situ, printing process, mm