Nws yogtiagIb qho tseem ceeb kom paub yog tias lub qhov rooj raug ntaus hluav taws ua ntej ua ib qho kev hloov kho rau lub qhov rooj. Qee yam khoom lag luam thiab qhov rooj hloov kho qhov rooj lub qhov rooj muaj peev xwm ua kom hluav taws kub dhau ntawm kev qhib.
Yog tias koj nruab cov khoom siv hluav taws xob uas muaj hluav taws kub hluav taws xob rau qhov rooj tua hluav taws, tag nrho cov rooj qhib yuav poob nws cov hluav taws kub. Piv txwv li, tsis muaj hluav taws kub-rated xauv yog tsis ua kom sov thiab / lossis siab tsim los ntawm hluav taws thiab kev poob, cia lub qhov rooj kom tawg qhib thiab hluav taws kom nrawm nrawm dhau.
Yuav ua li cas thiaj nrhiav tau cov ntawv teev hluav taws
Yog li, yuav ua li cas koj thiaj paub yog tias koj lub qhov rooj raug ntsuas hluav taws? Saib rau Underwriters Chaw soj ntsuam (UL) lossis cov poj niam Hersey (Wh) daim paib hluav taws. Lub sijhawm, daim ntawv lo tau yooj yim pom, thiab ntawm lwm tus nws tuaj yeem nyuaj rau kev nrhiav. Hauv qab no yog qee cov lus qhia muaj txiaj ntsig rau nrhiav cov kab laum.
Pib los ntawm saib ntawm lub pob khawm ntawm lub qhov rooj. Saib cov duab hauv qab no rau ntau ntau UL thiab cov lus qhia Hersey (WH) cov ntawv lo uas koj yuav pom. Qhov tseem ceeb tiv thaiv kom saib yog lub voj voog "ul" lossis "wh" lossis "fm".
Ntawm lub qhov rooj ntoo, cov ntawv foob tuaj yeem nyob ntawm qhov rooj khawm lossis sab saum qhov rooj.
Sij hawm dhau los, daim ntawv lo yuav tau pleev xim rau (saib cov duab rau sab), yog li kuaj xyuas kom zoo rau ib qho chaw tsa nto.
Daim ntawv lo yuav tseem nyob ntawm sab saum toj lossis hauv qab ntawm lub qhov rooj.
Qee cov ntawv lo yog embossed nyob rau hauv lub thav duab, yog li nco ntsoov xav tias muaj cov ntawv luam / tsa sawv ntsug.
Peb yog Dalian golden lub tsev, peb muab ntau hom hlau lub qhov rooj,
Ntas thiab ntoo lub qhov rooj rau kev ua lag luam thiab thaj chaw tsim khoom.welwyness Hoobkas soj ntsuam thiab kev sab laj.
