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Regular inspections are the cornerstone of roof maintenance.

Valves are the basic gatekeeper of flow control in any piping system. When they are open, they allow flow to pass through them; when they are closed, they prevent flow from passing through them. Fittings connect two or more pipe segments so that the system can move fluids and gases, whether it’s water or fuel, water or oil, or water or oxygen.

Works connected with renovation and extension of a house may have different legal status, from which specific obligations arise. Learn the definitions of the most important construction works.