Éléments pour ponts, éléments pour fermes, éléments de planchers, éléments de murs, éléments de toitures tels que poutres, arcs, solives, chevrons, colonnes, poteaux, piles.
Positive interference occurs in NDIR instruments where the interfering gas gives the same effect as the gas being measured, but to a lesser degreeEurLex-2 EurLex-2