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Cellphone cases of metal fabric can shield users from the electromagnetic radiation the phones produce ; and in the clean rooms of silicon wafer fabs , where dust particles attracted by static electricity on clothing are the biggest bugbear , there is a host of applications for anti-static fabrics , from workers ' clothing and footwear to trolleys , conveyor belts and wall coverings .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
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