TOL-003 · ToolsPHONE POWER
A practical backup phone-charging guide using compatible commercial equipment, with battery checks and a reusable kit record.
Field guides Power & Fuel
CROSS-LISTED COLLECTION
POWER & FUEL.
3 free guides. Electricity and fuel for a grid that clocked out early.
TOL-003 · Tools
SCI-003 · ScienceBiodiesel Decoded
Understand the wood-to-fuel episode and compare labeled commercial fuels with your equipment manual. No home fuel-making recipe.
SCI-005 · ScienceGasoline from plastic: production process
Six manufacturing stages from identified plastic through conversion, refining and fuel testing, with a documented engine study and clear limits on car use.
Every PDF is free: no email, account, or payment. Guides expand on the videos with sources, safety notes, and practical limits.