Metalling is a term that refers to the process of laying a metal surface on a road or pavement. It is also known as road surfacing, paving or tarmacking. Other synonyms for metalling include blacktopping, asphalt laying, resurfacing and reconstruction. The goal of metalling is to provide a durable and smooth surface for vehicles to drive on. This can improve safety and reduce maintenance costs over time. Metalling techniques have improved over the years, with better materials and processes being developed. Regardless of the synonym used, metalling remains an important aspect of infrastructure development across the world.