He can use that instrument every day and miscalibrate and misinspect a large percentage of the equipment he is supposed to certify.

[…]the VIP of the GOP, George W. Bush in full military flight suit, with his ejector harness giving him the worst moose knuckle in presidential history.

A Pervigilium is sometimes a primary Distemper, without any other evident Sickness causing it; yet so that some bear up under it, without any considerable Disorder […]

We all suffered there, and got our dose of what is known as 'jiffy tummy', which is acute diarrhoea. It's very unpleasant indeed, but it wears off after a few days and luckily I got over that before I had to go elsewhere.