Bird feed - OSRS Wiki
The detail of feed inlet connection point
Feed Detail
Project Engineering: FEED or FEL?
Front End Engineering Design, Detailed Design
Sheep feed - OSRS Wiki
Accessory Detail Page
DeVilbiss StartingLine Detail Gravity Gun 802405
Master Airbrush SB82 High Precision Detail Control Dual-Action Side Feed Airbrush Set Kit with 0.2mm Tip, 1/6oz Bowl Cup
BPT Conceptual, Pre-FEED, FEED and detail design studies as well as 3rd party verifications