what is the meaning of clear nozzle?

[hamdi1984]

I find in a specification this comment:
All shell and head welds shall clear nozzles and if not possible weld be 100% radigraphed
what is mean clear nozzles ?

 

[prex]

They do not cross or are close to nozzles?

prex
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[innovation2]

Essentially they do not want a nozzles welded into longitudinal or circumferencal shell/head welds.