Vuam yog qhov tseem ceeb heev hauv kev lag luam steel ntauwd.Nws ua lub luag haujlwm tseem ceeb hauv cov qauv kev sib txuas, kev saib xyuas, cua tsis kam thiab kev ruaj ntseg zoo ntawm cov pej thuam.Txawm li cas los xij, cov cuab yeej siv vuam thiab cov cuab yeej siv hauv kev ua haujlwm vuam ua kom muaj qhov kub thiab txias, muaj zog tam sim no thiab cov nplaim taws, ua rau muaj kev phom sij rau hluav taws.

Thaum Lub Xya Hli 13, XY Ntauwd tau teeb tsa cov neeg ua haujlwm vuam los koom nrog kev cob qhia kev ua haujlwm vuam.Lub hom phiaj ntawm qhov kev cob qhia no yog txhawm rau txhim kho cov neeg ua haujlwm kom raug ntsuas kev nyab xeeb hluav taws, txhawb kev paub txog kev nyab xeeb ntawm kev ua haujlwm vuam, ua kom cov neeg ua haujlwm muaj kev nyab xeeb, thiab txo qhov kev pheej hmoo ntawm hluav taws kub.