Ra General works
Rb Masonry. Stone construction. Loam construction
Rc Concrete structure. Reinforced concrete structure. Prestressed concrete structure
Rd Metal construction
Re Timber construction
Rf Plastic construction
Rg Membrane construction. Textile construction
Rh Cable structure. Nets
Ri Glass construction
Rk Construction systems
Rm Auxiliary building equipment
Ro Fasteners. Constructional elements
Rp Building elements (shell construction)
Rr Building elements (completion)
Changes from color to monochrome mode
contrast active
contrast not active
Changes the background color from white to black
Darkmode active
Darkmode not active
Elements in focus are visually enhanced by an black underlay, while the font is whitened
Feedback active
Feedback not active
Halts animations on the page
Animations active
Animations not active
