... ,save money ,time,labor,no need wood and nail any more Our Scaffolding:it is used for ... concrete ceiling slab, concrete column,concrete beam and forming concrete shear walls, insteads of wood ... is its disadvantage: labor-wasting and material- wasting . And it is ugly and hard to adjust .In a ... -saving and material-saving . What’s more ,DSATSCS can save a great deal wood ,iron wire ,nail and so ...