When closing the walls already closing seam with tape and cover yipsam. Waiting for it to dry and smooth yipsam up against wall surface, dense pad to always finish sam check. Done again before delivery.
When off the wall complete with the lid closed seam tape and gypsum. Wait for gypsum dry polishing to smooth wall surface. Gypsum finished, check. Checking again before delivering the next.
When off the wall already closed seam tape and gypsum with lid Waiting for gypsum dry polishing uneven wall surface Gypsum plate finished check Neatness again before delivery