# Photo credits

All photographs are stored locally in this folder (not hotlinked). None were AI-generated. Each image is used under a license that allows commercial use.

WebP versions were resized for the site (about 2000px wide for the hero, about 1000–1400px for cards). Source pages below are the canonical credits.

## Hero

**hero-industrial-ductwork.webp** — Large galvanized round ductwork in an industrial facility (Control and Support Building, Blue Grass Chemical Agent-Destruction Pilot Plant).

- Author: PEO ACWA (Program Executive Office, Assembled Chemical Weapons Alternatives)
- Source: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Blue_Grass_Chemical_Agent-Destruction_Pilot_Plant_Control_and_Support_Building_(6927610372).jpg) (originally published on Flickr)
- License: [CC BY 2.0](https://creativecommons.org/licenses/by/2.0)
- Used as: homepage hero background

## Solutions cards

**metal-ducting.webp** — Installed galvanized round duct branches, fittings, and hangers in an industrial ceiling, with a worker on a lift.

- Author: PEO ACWA
- Source: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Blue_Grass_Chemical_Agent-Destruction_Pilot_Plant_Control_and_Support_Building_(6766142875).jpg)
- License: [CC BY 2.0](https://creativecommons.org/licenses/by/2.0)
- Used as: Metal Ducting card

**fabric-ducting.webp** — Blue perforated fabric air-dispersion duct (air sock) in a large indoor hall (a swimming pool). This is a real textile duct, not a warehouse or gym; no equally clear royalty-free warehouse/gym example was found.

- Author: Z22
- Source: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Air_sock_in_an_indoor_swimming_pool.jpg)
- License: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Used as: Fabric Ducting card

**dust-collection.webp** — Outdoor dust collector and cyclone with galvanized spiral duct connected to a workshop (Newton South High School wood shop).

- Author: 4300streetcar
- Source: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Newton_South_High_School_wood_shop_dust_collector_July_2025.jpg)
- License: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0)
- Used as: Dust Collection Systems card

**fire-suppression.webp** — Red industrial fire-sprinkler zone risers, valves, and gauges on a factory wall.

- Author: Loc Ho
- Source: [Pexels](https://www.pexels.com/photo/industrial-fire-sprinkler-system-pipes-37352142/)
- License: [Pexels License](https://www.pexels.com/license/) (free for commercial use)
- Used as: Fire Suppression Systems card

**installation.webp** — Installers on boom lifts working on large metal HVAC duct housings inside an industrial plant (Blue Grass Utility Building). The source description confirms the work is HVAC ductwork installation.

- Author: PEO ACWA
- Source: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Blue_Grass_Chemical_Agent-Destruction_Pilot_Plant_Utility_Building_(8124844713).jpg)
- License: [CC BY 2.0](https://creativecommons.org/licenses/by/2.0)
- Used as: Installation card

## Industries tiles

**industry-manufacturing.webp** — Industrial plant floor with stacked metal stock and a forklift.

- Author: James Richardson
- Source: [Pexels](https://www.pexels.com/photo/spacious-industrial-warehouse-interior-with-storage-racks-36122954/)
- License: [Pexels License](https://www.pexels.com/license/)
- Used as: Manufacturing tile

**industry-woodworking.webp** — Woodworking shop with a table saw, planer, and dust-extraction drops.

- Author: Antti Leppänen
- Source: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Woodworking_shop_Vallila_tram_depot.jpg)
- License: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0)
- Used as: Woodworking tile

**industry-metalworking.webp** — Row of industrial CNC / laser-cutting machines in a high-bay shop.

- Author: YIHAI LASER (listed photographer on Pexels)
- Source: [Pexels](https://www.pexels.com/photo/industrial-cnc-machines-in-warehouse-38852437/)
- License: [Pexels License](https://www.pexels.com/license/)
- Used as: Metalworking tile
- Note: No prominent machine-brand logo was visible in the frame used. The photographer’s Pexels account is a laser-equipment company.

**industry-food.webp** — Dairy processing plant with stainless-steel tanks and process equipment.

- Author: Mark Stebnicki
- Source: [Pexels](https://www.pexels.com/photo/milk-processing-in-a-factory-2889347/)
- License: [Pexels License](https://www.pexels.com/license/)
- Used as: Food processing tile

**industry-warehouse.webp** — Warehouse aisle with high pallet racking.

- Author: imeenhae
- Source: [Pexels](https://www.pexels.com/photo/photo-of-warehouse-4277794/)
- License: [Pexels License](https://www.pexels.com/license/)
- Used as: Warehouses tile

**industry-commercial.webp** — Large commercial / industrial hall with a steel frame and overhead crane.

- Author: Pixabay (distributed via Pexels)
- Source: [Pexels](https://www.pexels.com/photo/empty-concrete-building-236705/)
- License: [Pexels License](https://www.pexels.com/license/)
- Used as: Commercial facilities tile

## Images reviewed and not used

Rejected candidates included residential or generic rectangular HVAC; hydronic pipes mistaken for ducts; flexible construction hose (not fabric air-dispersion duct); diagrams rather than photos; images with watermarks; product shots showing competitor or manufacturer logos (DustHog, Camfil Farr, RICHI, Safan Darley); and low-resolution files.