single coating of any type with no particular requirements for apperance, malleability, corrosion, protection etc, typically on the reverse side of the coated product (see: single-layer coating), mistahes tüüpi erinõueteta (välimuse, deformeeritavuse, korrosiooni jm suhtes) lihtpinne pinnatud toote tagaküljel (vt lihtpinne)
