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Prysmian receives raw material, being fine glass fibre, from a supplier. The company first coats the fibre using colour-coded string and then bundles the coated strands in a particular way to make up fibre-optic cables.
Colour coding is especially useful when terminating or splicing fibre. The colours help technicians to ensure they are splicing like-for-like fibres.
Here a Dee Why plant operator inputs string to the optical-fibre colouring line so that the fibre may be colour coated.
Drums of buffered fibre tubes wait to be stranded for cables. The finished product will be termite resistant, rodent proof and strong, according to the company.