First, read the English article below.

Scrub to remove all dust and debris from the surface. After washing, dry the window completely.  Make sure there is no paper or fabric left behind on the surface or else this will affect the final appearance of the frosted glass. This border will be the portion of window you don't want frosted.  Blue painter's tape. Painter's tape is specifically designed to endure wet applications. It has a weak adhesive allowing it to be easily removed.  For windows with lattice work or muntin bars (strips of wood between the glass), cover the wood with tape. If the 1-in. painter's tape width isn't a thick enough border, lay another piece alongside it.  Use a tape measure to ensure that borders are symmetrical; uneven borders look bad. If your window does not have a frame, simply tape along the outside edges until you have created a border. Use painter's tape to hold it in place.  Don't leave any openings or gaps where the spray could enter. When working indoors, open doors and windows and turn on fans to help circulate fresh air.  Consider wearing a particle mask to protect your nose and mouth. The spray fumes are hazardous to your health.  Take the window outside, if possible. This ensures a healthy work space and decreases the likelihood of "overspray," and frosting spray drifting onto other objects. Find frosting spray at craft and home improvement stores. While shaking the can, you should hear the small ball inside begin to rattle. Test spray on a small piece of cardboard.  If it sprays correctly, prepare to frost your glass.  If it is not spraying at a steady rate, continue shaking and testing in 1 minute intervals. Hold the frosting can at least 12 inches (30.5 cm) from from the window's surface to avoid splotches and runs.  Apply a light coating at first.  It is easier to go back and add a second or third layer to even out the frosting, but it is difficult to remove gloppy or runny patches. Expect 5-10 minutes for the frosting to become visible on the glass. Use the same back-and-forth motion to create a smooth... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Lau cửa sổ thật sạch. Dùng băng dính dán dọc đường biên mép trong của khung cửa sổ. Che mặt tường bên trong tại khu vực thực hiện bằng giấy dán hoặc tấm nhựa. Lắc bình xịt vừa phải, thuông thường lắc từ 1 – 2 phút. Di chuyển bình xịt qua lại trên diện rộng khi phun lên cửa sổ để phủ đều sơn trên bề mặt. Phun lớp sơn thứ hai sau khi lớp đầu đã khô hoàn toàn. Phun sơn lót acrylic lên cửa sổ đã được phun sơn sau khi đã khô hoàn toàn. Cẩn thận gỡ băng dán chặn sơn ra sau khi lớp sơn đã khô.