The model of the new city hall is 'to scale'. [=the model shows exactly how the parts will relate to each other when it is built]
She 'scaled the heights of' the publishing industry. [=she rose to a very high position in the publishing industry]
Their equipment isn't suitable for 'large-scale' production. [=it cannot be used to make things in large amounts]
(..) ...much would have been different. You speak as if you were there. All Dwarves know the tale. Then you would know that Girion hit the dragon. He loosened a scale under the left wing. One more shot and he would have killed the beast. That's a fairy story, lad. Nothing more. You took our money. (..)2013 The Hobbit: The Desolation of Smaug