1: ntoo los luj nrog castors;
2: qaij mechanism kaw thiab nqa cov pa;
3: padded armrests ntoo;
4: ua npuas ncauj kev kub ceev los yog hluav taws kub retardant ua npuas ncauj sab hauv;
5: PU/split tawv/saum lis suav tawv tawv/Italis rau ntawm kev xaiv.
Xa kev nug