אולי כדאי לנסות איות אחר או כתיב מלא:
operation instrumentation » applications instrumentation, therapy instrumentation, modern instrumentation
instrumentation theory » instrumentation methods, instrumentation https, instruction theory
theory revision » theory decision, theory revisited, theory session
basics linear » based linear, basics clear
basic linear » quasi linear, basic life
class linear » less linear, mass linear, class library

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