The process or act of applying asphalt to a surface to create a hard, durable pavement.
From 'asphalt' + gerund/present participle suffix '-ing'. This creates a noun form from the verb 'to asphalt', describing the ongoing action or process.
Road crews prefer asphalting in warm weather because the material flows better and bonds correctly—that's why you see all the road construction in summer, and it's actually a carefully timed process that can't happen in winter.
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