fire classes - Doomsday Robots

Safety Tools

Fire Extinguishers Demystified: Which Type for Which Fire

An in-depth guide to understanding fire extinguisher types and matching them to fire classes can help you stay safe—discover which extinguisher is right for every blaze.

Andrew Newton
October 20, 2025

Technology

MPPT Vs PWM Charge Controllers: Don’T Waste 30% of Your Solar Power

An in-depth comparison of MPPT and PWM charge controllers reveals how you might be…

Doomsday Robots Team
February 22, 2026

Survival

Propane vs Gasoline Generators: The Real‑World Tradeoffs No One Mentions

Generators face tradeoffs: explore the often-overlooked safety, cost, and performance…

Doomsday Robots Team
February 21, 2026

Safety Tools

Fuel Storage Without Fire: The Safety Rules Everyone Skips

Always following essential safety rules for fuel storage can prevent fires and save…

Doomsday Robots Team
February 20, 2026

Technology

240V Split‑Phase Power Explained (So Your Solar Generator Actually Works)

Beware of how 240V split-phase power differs from standard household wiring, and learn…

Doomsday Robots Team
February 19, 2026