"one-time training" is correct and usable in written English.
You can use it to refer to a type of training that only needs to be done once, such as a one-time safety training for a certain job. For example: "All employees must complete the one-time training before they begin work."
For example, in one study of REMS guidance, 71%% of prescribing physicians stated that it would be "somewhat" to a "very" significant barrier to have to endure a locally available, one-time training session of less than 2 h to guide them on the proper use of emerging opioids [ 28].
It also offered one-time training sessions in human rights, journalism, and communications which were more geared toward activists.
"This is a one-time training to get skills that you can use forever.
I did a number of things, and then I got a job with Max Factor Cosmetics as a 'beauty consultant' after a one-time training program".
Problems with provider performance often require multifaceted interventions that go beyond one-time training.
Many nurses thought mentoring was better than one-time training sessions.
Lesson 4: Supportive supervision vs. one time training - The series of evaluations of health human resource capacity building interventions conducted in the CEE/CIS region revealed that one time training is insufficient to achieve the desired capacity in health facilities, which instead requires periodic refresher trainings, although that is constrained by scarcity of funds for such activities.
"The rule on deducting travel is simple," said Mr. Botkin, an accountant and tax lawyer who at one time trained I.R.S. lawyers.
Malte pointed out that law enforcement officials go through continuous training to learn when and when not to shoot, while in Virginia, concealed carry permit holders only complete a one-time firearms training course.
The grant provides up to 3 years of funding at a lab in a country different from the researcher's own, with funding up to $49,800 per year covering stipend, travel, research expenses, and a one-time language-training allowance.
Of course, the provision of one-time disaster medicine training will only allow for a passing familiarity with terms and concepts.
