Standardization in the field of building and construction materials including:
(a) Concrete, reinforced concrete and pre-stressed concrete
(b) Cement, building limes and clay products
- c) Stones and aggregates
(d) Products in fibre reinforced cement
(e) Fibre-concrete and cement matrix products
(f) Refractory products and materials
(g) Masonry and gypsum units and related products
(h) Glass in building
(i) Steel and aluminium