Kev ceev faj rau kev siv cov pam hluav taws xob rwb thaiv tsev

1. Thaum txhim kho thiab dismantling, nws yuav tsum tau maj mam rub tawm raws qhov kev taw qhia ntawm qhov qhib, thiab yuav tsum tsis txhob ua haujlwm hnyav.

2. Tsis txhob kov cov khoom nrog hooks thiab pos, thiaj li tsis txhob puncture lub tsho tiv thaiv (quilt)

3. Tsis txhob nkim neeg