The phrase "an additional preparation" is correct and usable in written English.
It can be used when referring to an extra step or process that is added to a plan or procedure.
Example: "Before the meeting, we need to make an additional preparation to ensure everything runs smoothly."
Alternatives: "an extra step" or "a supplementary arrangement".
When you're playing a real-life figure like Roosevelt, do you do any additional preparation for the role? A. I've always tried to be a little bit loose.
A few "adult foods" in the supermarket are perfectly fine for baby without any additional preparation, such as pureed squash, unsweetened applesauce, and plain unsweetened whole milk yogurt.
NASA officials originally planned the spacewalk for Thursday, but they delayed it a day for additional preparation.
This resulted in a set of additional preparation materials which accompany the simulation: the Student Library (containing additional geology and emergency management background readings) and Flow of Information Maps (see Figure 3), and Science Communication Best Practices (see Section Improving Students Communication Competencee).
PALOS VERDES PENINSULA — Regardless of the outcome of Bellarmine-Jefferson High's season-opening football game against host Chadwick, just taking the field was a victory after canceling the first three scheduled games of the season due to low numbers and a need for additional preparation.
A student with some additional preparation in electrical engineering may be able to complete the M.S. requirements in only one academic year.
The Technion, meanwhile, operates a Center for Pre-Academic Education for those who require additional preparation prior to formal schooling, and in the last academic year 80 Technion employees volunteered in after-school centers in low-income areas.
For prospective scientists, the additional preparation time and expense creates a disincentive to pursue a career in research.
The BMW report particularly calls out the situation of postdocs, who are in "a holding pattern" while they "receive little additional preparation for their future careers".
Other prosthetic systems have a fixed inclination angle somewhere within the normal range and instruct the surgeon to make an osteotomy at this inclination, adjusting the fit with additional preparation of the canal and revising the osteotomy as necessary.
