but the effect is that it is not smooth and 5Concrete ground has been finished, wiped with a wipe machine four times, but the effect is out, not smooth, sand, do not know what universal users have to do, so that the ground to see the smooth, smooth and effective
That is the ground soil, sand content is too high, you can consider the center with cement leveling, and then polished
That is the ground soil, sand content is too high, you can consider the center with cement leveling, and then polished
That is the ground soil, sand content is too high, you can consider the center with cement leveling, and then polished