Different Types of Ladder Materials

Ladders can be manufactured from a number of materials, but the main four include aluminium, fiberglass, timber and steel.
Recycled Aluminium vs Aluminium Alloy

Aluminum is 100% recyclable and how it is differ from a pure aluminium alloy.
Definition of Mill Finishing and Natural Anodizing

The definition, surface and appearance of mill finishing and natural anodizing.