Heteronymy in grammar is partial homonymy, as when words have the same sound but different spelling (through, threw).

After chip attach, wire bonding, and preliminary testing, this configuration is then hermetically sealed by routine seam welding of a Kovar lid onto the seal ring. The seal ring and lid were designed to permit two delid and rework cycles if necessary.

Now, Savasana is about relaxation, but what prevents relaxation? Tension.

In computing, pi characters may be entered with special key combinations.