<span>The correct answer is A. Air hose. That's because the air hose is elastic on its own and becomes firm when air goes through it. If you were carrying it by the hose, then if the gear malfunctioned and air started rushing through you wouldn't be able to control the device and it could hurt you or anyone near you as it would go rampant and you wouldn't be able to catch it.</span>
These national working groups, in line with the international arrangement where focal points are selected for UNFF, will select national focal points representing the various Major Groups participating in the working group. I hope this helps you and good luck!
The answer that would best complete the given statement above would be the term REPETITIVE STRESS INJURIES. So, manual <span>pipetting creates a musculoskeletal load on the neck, shoulders, and upper limbs, and the types of injuries that this can lead to is called repetitive stress injuries. Hope this answers your question.</span>