learning stuff

Chibueze Umeokana

What are the two elements use for checking cracks and breaks in a metal

0 08-02-2016 20:30:00 +0000

Az Ultimate

they are not elements buh electromagnetic waves.... x rays and gamma rays are used for checking flaws in metallic industries

0 08-02-2016 20:41:00 +0000

ogomudia daniel

I want to know more abt separation technics

0 08-02-2016 20:52:00 +0000

Amojo Toluwalope

hey

0 08-02-2016 22:00:00 +0000

omotoyosi blessing

I don't know anything please how can you help

0 16-02-2016 08:50:00 +0000

Jacob ita

Need help on chemistry and physics

0 18-02-2016 02:30:00 +0000

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