Keyword database - instruction

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Keywords for the query "instruction" (i.e. contains kei with the words instruction, instruction, instructions). The database contains 1999999 keys.
Checked for frequency in quotes in wordstat.yandex 10/08/2015
Base in csv(2 files) and txt(1 file) format
There are no duplicates, characters, initial trailing and double spaces in the database.
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