Problem: How does the next paragraph end?

How to set up an oxy acetylene torch 
Clean the nozzle on the head. 
This should be done with a fine, round metal file. Just make sure that this nozzle hole is unobstructed.
A: If holes are obstructed, a torch tip bore cleaning tool may be necessary. Securely fasten the " head " of the torch on the end of the hoses.

Problem: How does the next paragraph end?

How to avoid caregiver burnout 
Reach out for help if you're in a crisis situation. 
Get help as soon as possible if you're in a moment of immediate crisis or are concerned about your or your loved one's safety. Call a trusted family member or friend immediately.
A: Seek out a helpline or support professional as soon as possible. Search online for your local area agency on aging (aaa), or look in your telephone directory under government services.

Problem: How does the next paragraph end?

How to open locked cars 
Straighten a wire hanger. 
This method will work best for vehicles with a vertical manual lock-meaning a lock that you pull up to unlock or push down to lock. These locks are usually at the top of the door panel just inside the window.
A: This method requires a thin but rigid tool that you can feed between the weatherstripping around the bottom of the window and the glass itself. A wire coat hanger works well, but you must straighten it first.

Problem: How does the next paragraph end?

How to become an alternative model 
Don't change yourself for the wrong reasons. 
You should not change your looks or personality to fit into a stereotype. Alternative models often have piercings and tattoos, but you should not alter your appearance just to become a model.
A:
You should change hair or acquire body art because you desire them, and/or because they are meaningful to you. Alternative models typically look alternative on a daily basis, rather than dressing up for photo shoots.