Utiliser "valuer" dans une phrase

1. Garth had failed in the building business, which he had unfortunately added to his other avocations of surveyor, valuer, and agent, had conducted that business for a time entirely for the benefit of his assignees, and had been living narrowly, exerting himself to the utmost that he might after all pay twenty shillings in the pound

2. What the valuer actually does in these cases is to introduce a margin of safety into his calculations—somewhat as an engineer does in his specifications for a structure