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Boilers in the old factory were inspected every month to prevent dangerous malfunctions.
See correct answer
Boilers in the old factory were inspected every month to prevent dangerous malfunctions.
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Related words
Boilers
Noun
form-of
plural
Japanese Meaning
ボイラー（複数形）。単数形「boiler」は、蒸気機関車等や暖房装置などに用いられる機器を指します。
English - English
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