Meanings of rustless in English

That is to say, it must be unkinked, rustless, and unscored.

Run a stout line, either of rope or rustless wire, between the two upright poles, about a foot below the ridge pole.

These cases were stored in tiers of rectangular vaults-likeclosed, locked shelves-wroughtof the same rustless metal and fastened by knobs with intricate turnings.

Above my head, spanning all of Road, was a great green panel supported on rustless pillars, that creaked and swayed in the rising wind.