106562
It is important to note that snow guards are not the same as heat tape or trace heating systems that expedite the snow melting process ; however , these products can be and are commonly used together to offer better protection from sliding snow problems .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None