Why is a table of proper height useful while stitching?

Correct answer: Because it reduces bending

Direct answer: A, because the proper height reduces bending. Ergonomics means arranging tools, furniture, posture, and work methods so that the task fits the worker and causes less unnecessary strain. While stitching, a table that is too low makes the person bend the neck and back for a long time; a suitable height allows the work to be kept nearer to a comfortable level. The step-by-step benefit is: less bending; more neutral posture; less load on back and neck muscles; greater comfort and safer, more efficient work. Option A is correct because it describes the direct ergonomic benefit. Option B is wrong because table height does not make thread disappear. Option C is wrong because the cloth does not become heavier or lighter merely because the table is correctly adjusted. Option D is wrong because suitable height does not increase sound; noise is unrelated to this posture benefit. Correct height alone is not everything: good lighting, breaks, and proper sitting also help. Memory cue: “Fit the workplace to the body, not the body to the strain.”