When looking up at the clouds, you can usually make out different shapes and figures with

Hey there! 

When looking up at the clouds, you can usually make out different shapes and figures with .

The answer that best fits in the blank is: cumulus clouds
They are known to be puffy and look similar to pieces of floating cotton. 

Thank you!

               

Manual pipetting creates a musculoskeletal load on the neck, shoulders, and upper limbs and the type of injuries that this can lead to is called repetitive stress injuries.