flatbed

kuljetusalusta

avotavaravaunu An open freight vehicle with no sides, designed to carry heavy or outsized loads.
A railway freight car with no sides; a flatcar.
puhekieltä A document scanner with a flat bed.
Having a flat bed.

I cant scan the whole document quickly because I only have a flatbed scanner.''

The accident left the contents of a flatbed trailer scattered across all three lanes.