For the packaging and recycling of metal, you may need other machine to work in connection with balers, such as metal briquetting machine, hydraulic shearing machine, hydraulic press brake, hydraulic guillotine shear, cable wire recycling machine, metal shavings crusher and so on.
http://www.visionbaler.com/hyd....raulic-shearing-mach

With the advance of several methods and developments in the construction field, new construction materials and equipment are deployed to improve the excellence of work. Interlocking bricks are the improved version of the traditional bricks. They are made up of clay or cement and are slightly different in shape and structure. Interlocking bricks are manufactured in such a unique way that each brick gets locked itself with another brick using a shear key and lock mechanism. These bricks can be laid one after another without using any mortar or binding material.
http://www.txlsk.com/interlocking-blocks/

Configured with a standard package of 25+ elements, the metal analyzer generates alloy chemistry and grade ID in seconds. From simple sorting to challenging grade separations, the metal analyzer provides highly specific material chemistry to rapidly and accurately identify pure metals and alloy grades.
http://www.skyray-instruments.net/metal-analyzer/

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/