incidental supplies are... needed in the office but do not threaten the efficiency of the office items that…

incidental supplies are... needed in the office but do not threaten the efficiency of the office items that can be reused indefinitely used only once and thrown away items that are absolutely necessary for smooth running of the practice
Answer
Brief Explanations:
Incidental supplies are supplementary items in an office - they are required but not crucial for basic office efficiency. They are not single - use or reusable indefinitely, nor are they absolutely necessary for smooth operations.
Answer:
needed in the office but do not threaten the efficiency of the office