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hard-surface [ˌhɑːd'sɜːfɪs, ˌhɑːrd'sɜːrfəs]
construct.	befestigen (Weg, Straße)
hard surface
construct.	befestigte Fläche; gebundener Oberbau (Straßenbau); Mineralboden m
sport.	harte Oberfläche

hard-surface : 6 phrases in 3 subjects

Construction	2
Electronics	3
Optics branch of physics	1