1055
The aim is to keep stable manufacture , and the deviations of the deposited height are compensated by designing an integral separation PID controller to adjust the wire feed speed in the next layer .
 concept or principle: manufacture; machine or equipment: controller; process parameter: feed; process parameter: layer
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 concept or principle: manufacture; machine or equipment: controller; process parameter: feed; process parameter: layer