Straight Staircase vs. Spiral Staircase
Straight Staircase vs. Spiral Staircase   The straight staircase is the simplest to design and calculate. It connects two floors directly along a single axis, just as a ladder would, without interruption or changing direction.  Types of straight stairs Although very simple, the straight staircase can have some variations:  – in terms of stringers: the… (0 comment)