Guides and how-tos
Page 6 of 6, from 67 guides in all.
NFPA 10 Fire Extinguisher Inspection Requirements Explained
Monthly inspection, annual maintenance, six-year internal, hydrostatic test: four different jobs on four different clocks. Here's what each one means, who does it, and how the intervals differ by extinguisher type.
Extinguisher Inspection Log 8 min read 
When to Replace Running Shoes: The Mileage Rule
Running shoes wear out from the inside, long before they look worn out. Here is what the 300 to 500 mile guideline really means and how to judge your own pairs.
ShoeMile 6 min read 
Baker's Percentages and Hydration, Explained Simply
Once baker's percentages click, you can read any bread recipe, scale it to any size, and change a dough on purpose instead of by luck. Here's the idea in plain terms.
BreadMath 6 min read 
Board Feet Explained: How to Measure and Buy Hardwood
A board foot is a volume, not a length, and mixing the two is how you end up with the wrong pile at the till. Here's the formula, the quarter system, and how to buy hardwood without overpaying.
LumberList 8 min read 
Motorcycle Maintenance Schedule by Mileage and Time
Every service item runs on two clocks (miles and months) and whichever comes first wins. Here's a realistic interval guide, why the valve check is the one nobody should skip, and when your manual beats any chart.
MotoGarage 8 min read 
How Much Paint Do I Need? A Room-by-Room Guide
The quick way to work out how much paint to buy, why you should plan for two coats, and the handful of situations that quietly need more than the math suggests.
PaintCalc 5 min read 
Conduit Offset Bends: Multipliers, Shrink and Marks Explained
Laying out a conduit offset by hand comes down to two numbers: the multiplier for your bend angle and the shrink you have to subtract. Here is how both work, with worked examples.
BendPro 7 min read