Some of the fibula had a flat back indicating that they were likely cast in simple, open moulds.
2.
Mould-pressing consists of pressing the glass against an open mould, obtaining a positive of the final object.
3.
Reinforcing Fibre layers are placed in an open mould and then saturated with a wet resin by pouring it over the fabric and working it into the fabric.
4.
In some cases, the lead would be cast in a simple open mould made by pushing a finger or thumb into sand and pouring molten metal into the hole.
5.
They were made in an open mould, which is in fact a relatively cheap technique that requires less effort put and it was this that allowed their large-scale production.
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