Tus Pin Insulator
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Lub Siab Hluav Taws Xob Hluav Taws Xob Cov Cuam Tshuam Tus Ntxaij Tus pin tiv thaiv
Tus pin insulator yog kev tivthaiv uas txhawb nqa lossis ncua cov hlau thiab tsim hluav taws xob rwb thaiv tsev ntawm tus pej thuam thiab cov xov hlau.