nitou cong thu toan ven. cai loi cua nitou la protect full 80% nhung phan cong thi cham hon doi phuong 1 nhip, luc ra 1 don la chet 1 don. tap nitou rat mat suc, nhung bu lai ban se co 1 the luc cuc cool va tam quan sat sau hon doi thu. nguoi van dung thuan thuc nitou se rat kho long ha duoc