New features

• Injection Molding Machine (IMM) for making plastic products, has be added to game.
• Two new products (parts of Calculator): Calculator Case (top) and Calculator Case (Bottom) made by IMM
• New resource Plastic Pellets (in bag), consumed by IMM
• Workers can now carry items (above head). Only bags of Plastic Pellets are supported for now. They can be delivered and emptied to IMM's pellet hopper.
• Some machines got updated models and textures

Fixes:

• Workers disappearing
• Workers operating Boxing and Unboxing Tables will leave it,  when there is nothing to do.
• Wrong orientation of items on angled conveyors in some situations
• Some other improvements, fixes and optimalizations