Petrochemical kev lag luam yog cov khoom siv tseem ceeb thiab cov khoom siv hluav taws xob sib xyaw ua ke, feem ntau muab faib rau hauv cov roj kev lag luam, ntau yam, thiab siv cov khoom lag luam loj. Raws li ntau xyoo ntawm kev siv hluav taws xob, Saiwei hluav taws xob zoo nkauj, yog li kom ua tiav kev nyab xeeb thiab kev ua haujlwm zoo thiab tsim nyog ntawm kev xa hluav taws xob.
Tiv Tauj Peb
