room net area
The net floor area of sampling room. Net area excludes wall thicknesses
{integer} {unit}
MIGS.ba.built.6.0; MIGS.eu.built.6.0; MIGS.vi.built.6.0; MIMAG.built.6.0; MIMARKS.specimen.built.6.0; MIMARKS.survey.built.6.0; MIMS.me.built.6.0; MISAG.built.6.0; MIUVIG.built.6.0