Assembly Line

What are syringes made of?

Syringes take polypropylene, ink, synthetic rubber, silicone and stainless steel directly. Trace them back and you pass 44 made things on the way to 23 raw materials.

How syringes are made See it on the map

What goes straight in

From the ground: 23 raw materials

Made along the way: 39 things

Metals 6

Chemicals and fuels 28

Plastics and fibers 1

Electronics 1

Food 3

What it is packed in

On the line, but left out of everything above, because it holds the finished thing rather than goes into it.