A
Now, people for our company that do operate machinery like drill rigs and things like that --
B
Uh-huh.
A
-- are under a, a medical monitoring program, because they're at a higher risk of exposure and blood screening is part of that and I, I think that drugs, they do test for drugs in that capacity, but it's not their exclusive, it's just part, it's just something that turns up in the other parameters that they test for.
B
Yeah.
A
But I think it's got a little more relevance since they are around dangerous equipment and things like that and do have to exercise some quick judgment in the field. What is the nature of your company's business?
B
Well, it's actually, uh, we do oil well services. So, a lot of our clients are oil companies, big oil companies, and they go out to, we have engineers who, uh, go out to the oil well, to the, to the client's oil well, and, and work with a lot of heavy equipment and put tools down the oil well and stuff, so the clients are very concerned that, you know, the engineers who go out there are adhering to their drug policy, because they're on their, their, you know, territory and everything, but --