A scrap baler machine is used for recycling applications. It is generally a hydraulic press that compacts materials into a dense package of a specific size. The compacted materials are then held together with wire, twine, or strapping.
http://www.visionbaler.com/scrap-baler-machine/

In the design of the interlocking brick for container yard pavement, the structure of the shear-key will differ from one another. A lock is facilitated on the contrary side of the brick. Interlocking bricks come up with various shapes and sizes & the locking mechanism also varies and depends on the supplier.
http://www.txlsk.com/container-yard-pavement/

Handheld XRF Metal Analyzer provide highly specific material chemistry to rapidly and accurately identify alloy grades and pure metals. Get alloy chemistry and grade ID in seconds, from simple sorting to challenging grade separations, from incoming material inspection to end-product verification.
http://www.skyray-instruments.....net/metal-analyzer/x

There are some types of grease for different situation commonly used such as high temperature grease, construction machinery grease, general purpose grease, etc.
http://www.sino-grease.com/hig....h-temperature-grease

There are various of drones with different outlooks like helicopter drone, VTOL fixed wing drone, glider drone/runway drone, multi-rotor drone/rotary wing drone, etc. These unmanned robot has to be equipped with standard and high quality drone accessories like engine and engine parts.http://www.satuav.com/helicopter-drone/