Significados de inferior make en inglés

Why are these bicycles of inferior make so prevalent throughout the land

Whether the same article, but of superior, equal, or inferior make, is imported?

This happens because they will persist in riding a machine of an inferior make.

A good lawn tennis racket is indispensable; indeed, to use a weapon of inferior make is to court failure from the start.

Two other machines engaged in the contest, but not only were they of inferior make, but their operators were clumsy and not up to standard.