As an employee, as opposed to a contractor, you are relatively shielded from liability for damages in court. Especially if you document that everything you did was typically at the direction of the company, on things like this. Say, through casual text messaging. (Send a picture of the used equipment and say "You want to use this one?" and get "Yes" or thumbs up emoji.)
For example, if something happens and only company property is damaged then the worst the company could do against you would be to fire you; in order for the company to sue you for damages, they would have prove you acted maliciously, and you will have evidence of the opposite, that you tried to convince them to raise their standards. So yeah, document stuff with text messages or with your personal photos and videos. Don't document stuff you know is wrong! Just where they direct you to do stuff to minimal standard that you think should be done better. You can be honest about what you don't know, because if you are incompetent as an employee (again, as opposed to a contractor) then it's their fault for hiring you.
Now if an incident results in, say, another employee's injury or death then the stakes would be a lot higher, as the injured party could sue both the company and you (if they come to the knowledge it had anything to do with your work). However the company would have some duty to defend you as long as the work was performed as directed by them and, again, you didn't act maliciously or against company direction. This is where you'd likely need a lawyer to defend your interests if you didn't trust the company and their insurance company's lawyers. But the case law would still put onus pretty firmly on the company.
Disclaimer: I'm speaking not as a lawyer, obviously. Just as someone who did have to speak to a lawyer once to clarify these sorts of issues, in your same state.