Industrial Development Board Director-General, P.L.U. Ratnamalala who testified before the Parliamentary Select Committee (PSC) looking into the Easter Sunday attacks said copper was supplied to ...

Creating intricately-shaped plastic parts with a 3D printer is no longer a challenging process, but an everyday technology. However this scenario is quite different when the material is pure copper: ...

When heated at 1085 ° C of melting temperature, copper will not be able to keep its solid form and change to liquid molten copper. A lot of movies that shoot like this cumshot hot copper was caught on ...