Txhawm rau pub los ntawm lub zog, teeb liab, thiab cov ntaub ntawv yog qhov yuav tsum tau ua hauv kev tsim hluav taws xob thiab vaj huam sib luag. Cov khoom siv insulating, qhov kev sib txuas thiab kev tsim ntawm lub davhlau ya nyob twg blocks yog cov yam ntxwv sib txawv. Ib qho pub-los ntawm lub davhlau ya nyob twg thaiv yog tsim rau kev koom nrog thiab / lossis txuas ib lossis ntau tus neeg xyuas pib. Lawv tuaj yeem muaj ib lossis ntau theem kev sib txuas uas nyob ntawm tib lub peev xwm lossis insulated rau ib leeg. SAKDU 2.5N yog Pub los ntawm lub davhlau ya nyob twg nrog cov ntsuas hla ntu 2.5mm², xaj tsis yog 1485790000.