yes
If the modification is simply replacement of worn out parts (broken ducts, etc), it would probably be repairs. If the expenditure is significant, such as replacing the central unit, or if the expenditure is an addition, such as a computerized control system, then it would probably be a Leasehol Improvement.
It is worn out or the tensioner is weak and needs replacing.
If you hear the squealing when applying the brakes, the pads are worn out and need replacing ASAP. Failure to replace the pads immediately will result in worn out rotors which will also need replacing. If the squealing noise is not when braking it may be a worn drive belt.
Repair it or line it with a plastic bathtub liner.
Worn bearing and new belt is tighter than worn one?
You can determine the approximate age of your roof by checking your home improvement records, asking the previous homeowner, or hiring a professional inspector. Signs such as worn shingles, curling edges, or leaks can also indicate the age of your roof.
If engine is losing compression it is likely the rings are worn and need replacing. The valves are likely leaking too and need replacing.
A loose timing chain can only be repaired by replacing the timing chain . A loose timing belt means the belt is worn out or the tensioner is worn out. Replace worn parts.
The belt is loose and needs adjusting, or it is worn out and needs replacing.
Normally this is caused by a drive belt that is loose or worn and needs replacing.
If you're having to put air in your tires frequently then your tires probably need replacing. Also if the tread on the tires is worn down they should be replaced (a symptom of worn tread is the tires squealing on the road for no apparent reason).
Yes and no. Shingles is herpes zoster virus. The symptoms develop in people who have had chicken pox before. If you haven't had chicken pox you may develop it when exposed to shingles. If you have had chicken pox it can trigger shingles. It is infectious only when the blisters are forming and 'weeping'. Therefore it is spread through physical contact. It is no longer infectious when the blisters are dry scabs. It is not airborne but a mask and gloves are worn by healthcare workers to protect them from contacting the skin of active patients.