Descriptors | Slate, Acceptance inspection, Approval testing, Dimensional tolerances, Cements, Wall coverings, Type testing, Environmental testing, Exterior wall coverings, Fire safety, Factories, Performance testing, Fibres, Interior wall coverings, Roofing slates, Finishes, Production planning, Durability, Marking, Packaging, Roof coverings, Ceiling finishes, Safety measures, Physical properties of materials, Fire tests, Physical testing, Acceptance (approval), Conformity, Reinforced materials |