at a lower altitude, the presence over the greater part of the area in question of slopes too steep for the use of machinery or requiring the use of very expensive special equipment, or a combination of these two factors, where the constraints resulting from each taken separately are less acute but the combination of the two gives rise to an equivalent constraints.
ag airde níos ísle, láithreacht thar chuid mhór den limistéar i dtrácht d'fhánaí atá róghéar d'úsáid innealra nó a bhfuil gá le húsáid trealaimh speisialta an-chostasach mar gheall orthu, nó teaglaim den dá fhachtóir sin, i gcás nach bhfuil na srianta a eascraíonn ón dá cheann ar leith chomh géar sin ach go n-eascraíonn srianta cothroma ó theaglaim an dá fhachtóir.