| Year | 2009 |
| Date | 13-Feb |
| Volume | 202 |
| Issue | 4,345 |
| Page | 222 |
| Category | Keith's Column |
| Part | |
| Title | Commercial plumbing fittings, tolerances and scale effects |
| Author | Keith Wilson |
| Notes | Avoiding accidents, CAD tips, pistons and cylinders, tolerances and scale effects, "steam pull and go", Wilson's Words of Wisdom (Lumiere) |