1. An ion source based on the same principle as the Philips ionization gage.

2. See <<Philips ionization gage>>

In-line scraper (brush, blade cutter, or swab) forced through pipelines by fluid pressure; used to remove scale, sand, water, and other foreign matter from the interior surfaces of the pipe.

A crude metal casting prepared for storage, transportation, or remelting.

A heavily shielded container, usually lead, used to ship or store radioisotopes and other radioactive materials.

Any wild or domestic mammal of the superfamily Suoidea in the order Artiodactyla; toes terminate in nails which are modified into hooves, the tail is short, and the body is covered sparsely with hair which is frequently bristlelike.