The phrase "two sets of instructions" is correct and usable in written English.
You can use it when referring to multiple groups or categories of instructions that need to be followed.
Example: "Before starting the project, make sure to review the two sets of instructions provided for clarity."
Alternatives: "a pair of instructions" or "two groups of guidelines."
There are two systems on our fleet at the moment and thus two sets of instructions.
While this is confusing at times, we found it more confusing to combine two sets of instructions.
When these women came to term, their midwives followed one of two sets of instructions, chosen at random and given to them just before each birth.
Instead, the team sends two sets of instructions each day, one in the morning and one in the evening.
These studies compared the effect of two sets of instructions – variable priority instructions and fixed priority instructions – on dual-task performance following the same training.
The method below provides more detail than most labels will give you, but always go with the label if the two sets of instructions contradict each other.
(Over two days and many hours, he began only two or three sets of instructions or trains of thought without saying that).
Even more, it was a multi-cultural enterprise, produced with three sets of instructions and translations to satisfy the linguistic needs of the three major Jewish communities of the time: Judeo-German, Judeo-Italian and Judeo-Spanish.
Before a stem cell divides, it copies its DNA and the two sets of genetic instructions are then separated so that the two daughter cells both have a complete set.
One set of instructions designed to complement both SOPs was included to ensure that plate layouts and procedures were carried out in a specified manner.
Participants were asked to interpret two sets of medication instruction labels, the first with text only and the second with the same text accompanied by illustrations.
