2089
Conventional methods create straight cooling channels , where connections result in pressure loss , increase the temperature and noise , which influences the reliability and lifetime of the system .
 machine or equipment: cooling channels; concept or principle: pressure; process parameter: temperature; process characterization: reliability
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:
 machine or equipment: cooling channels; concept or principle: pressure; process parameter: temperature; process characterization: reliability