Selection of materials or components

Factor	Key Considerations	Examples
Functionality	Application of use Ease of working Durability requirements	PP for living hinges Pine vs. oak workability
Aesthetics	Surface finish Texture & color Visual harmony	Glossy acrylic displays Brushed metal finishes
Environmental	Recyclability Reusability Biodegradability	PET vs. PVC recycling FSC-certified wood
Availability	Local suppliers Lead times	Imported hardwoods Off-the-shelf MDF
Cost	Bulk discounts Waste calculations	Sheet material pricing Cutting efficiency
Social/Ethical	Fair trade Working conditions	Ethically sourced metals Conflict-free minerals
Cultural	Color symbolism Local traditions	Red in Asian markets Religious restrictions