pure copper उदाहरण वाक्य

उदाहरण वाक्य

1. Bronze was an important advance because it had the edge-durability and stiffness that pure copper lacked.
2. Some other materials used for luxurious rice bowls are pure copper, ceramic-iron layers, and diamond coating.
3. :To answer your question, Canadian pennies before 1997 were almost ( 98 % ) pure copper.
4. The nearly pure copper would then be poured into a stone mold, for an ax, for example.
5. Commercial copper sulfate is usually about 98 % pure copper sulfate, and may contain traces of water.
6. After the cladding is removed, machining and working with Glidcop is similar to that of pure copper.
7. The samples collected by the Minerals Management Service were almost pure copper, narrowing the likely construction date.
8. A copper mine opened on Temagami Island in 1954 called mine the purest copper ore in Canada.
9. All half sen coins were minted during the Meiji period, and are made from nearly pure copper.
10. Pure copper wires can withstand approximately five times more current density than aluminum wires while maintaining similar reliability requirements.