![Inventions | Free Full-Text | Recent Developments in 3D Printing of Rare-Earth-Free Permanent Magnets Inventions | Free Full-Text | Recent Developments in 3D Printing of Rare-Earth-Free Permanent Magnets](https://www.mdpi.com/inventions/inventions-07-00071/article_deploy/html/images/inventions-07-00071-g001.png)
Inventions | Free Full-Text | Recent Developments in 3D Printing of Rare-Earth-Free Permanent Magnets
02-101991 | Vickers by Danfoss DG4S4-01 60 Design Directional Control Valves Single Stage | Specifications | Eaton
![Energies | Free Full-Text | Lean Burn Flame Kernel Characterization for Different Spark Plug Designs and Orientations in an Optical GDI Engine Energies | Free Full-Text | Lean Burn Flame Kernel Characterization for Different Spark Plug Designs and Orientations in an Optical GDI Engine](https://www.mdpi.com/energies/energies-15-03393/article_deploy/html/images/energies-15-03393-g001.png)
Energies | Free Full-Text | Lean Burn Flame Kernel Characterization for Different Spark Plug Designs and Orientations in an Optical GDI Engine
![Morvat Heavy Duty Brass 4 Way Splitter, Garden Hose Manifold Connector with Comfort Grip ON/OFF Valves, Adapter for Water Faucet & Spigot, Includes 8 Extra Washers, Roll of Teflon Tape & Mounting Morvat Heavy Duty Brass 4 Way Splitter, Garden Hose Manifold Connector with Comfort Grip ON/OFF Valves, Adapter for Water Faucet & Spigot, Includes 8 Extra Washers, Roll of Teflon Tape & Mounting](https://m.media-amazon.com/images/I/716sKltm92L._AC_UF1000,1000_QL80_.jpg)