A high (above 50:1 ) C:N mulch usually requires the addition of ________ until the decomposing organisms use up their food supply in the mulch and die
A) potassium B) calcium C) nitrogen D) phosphorus
C
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The completion notice is often posted in conjunction with a contractor inspection by the local building official and the client.
Answer the following statement true (T) or false (F)
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The burner motor runs, but the oil pump does not produce pressure. This can be caused by:
A) A defective ignition transformer. B) A plugged oil nozzle. C) A defective burner motor centrifugal switch. D) A defective oil pump drive coupling.
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To decrease the risk of hearing loss, exposure to noise should be limited to a maximum 8-hour, time-weighted average of 90 DBA.