Qhov zoo ntawm Awnings

1. Lub awning muaj kev ua haujlwm sab nraud lub hnub ci, uas tuaj yeem thaiv cov hluav taws xob ultraviolet, txo qhov kub hauv tsev, thiab txo cov cua txias;
2. Lub awning muaj kev txuag hluav taws xob, thiab lub awning tseem ceeb heev los ntawm kev xav ntawm kev txuag hluav taws xob thiab kev tiv thaiv ib puag ncig;
3. Qhov tshwj xeeb los tiv thaiv ultraviolet muaj nuj nqi ntawm daim ntaub thaiv hnub ci ntawm lub awning.