Qhov zoo ntawm lub hwj chim cable

Qhov zoo ntawm cov hluav taws xob cables yog tias lawv tsis tshua muaj kev cuam tshuam los ntawm cov huab cua sab nraud thiab ib puag ncig, thiab cov kab hluav taws xob feem ntau yog faus rau hauv av lossis trench tunnels, txuag ntoo, hlau, cement, txo kev puas tsuaj rau tib neeg, thiab tiv thaiv ib puag ncig.

Kev cuam tshuam ntawm cov kab hluav taws xob hluav taws xob los ntawm lub tsev yog qhov me me, vim tias nws txoj kab ua haujlwm yog yooj yim thiab yooj yim, kev tiv thaiv kev ua haujlwm yog me me, thiab kev tiv thaiv tus nqi kuj tsawg heev, thiab cov hluav taws xob hauv av ntawm cov kab hluav taws xob tsis zoo. nyob hauv av.