It is extremely important that these rules and regulations be known, understood, and complied with by all persons responsible for, or otherwise involved in performing the toxicity testing activities.
Toxicity testing actives have rules and regulations that need to be followed.
There aren't any real rules when it comes to toxicity testing.
He stretched back, grinning.
The people are sleeping.
A monk is flying.
The elderly men are posing for a picture inside a church.
A woman is holding something.
Three people are working on a tree.