I need to get my TEST levels checked.

The testings were conducted to ensure the accuracy of the results.

Employees are required to undergo regular drug tests.

They regularly drug test their employees to ensure a safe working environment.

Scientists use litmus tests to determine the acidity or alkalinity of a substance.

The crash tests conducted by the company showed the effectiveness of their safety features.

I conducted several t-tests to compare the means of the two groups.

The emissions tests conducted by the government ensure that vehicles meet environmental standards.

The researchers conducted multiple t tests to compare the means of different groups.

Penetration tests are conducted to identify vulnerabilities in a system.