Idiom of the Day
one for the (record) books
something very unusual or remarkable
The latest complaint about noise at work is one for the books and is very stupid.
Precautions while using Centrifuge
During centrifugation 1 Close lids at all times during operation. Never open a centrifuge until the rotor has stopped. 2 Do not exceed safe rotor speed. 3 The operator should not leave the centrifuge until full operating speed is attained and the machine appears to be running safely without vibration. 4 Stop the centrifuge immediately if an unusual condition (noise or vibration) begins and check load balances.