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]
(..) Mr Andrews,... ..designed her. l knocked her together... ..but the idea was Mr lsmay's. He envisioned a steamer so grand in scale... ..that its supremacy would never be challenged. And here she is... ..willed into solid reality. Hear, hear. (..)1997 Titanic