Answer: blisters

AnswerCrossword Clue
BLISTERSHiker's problem
BLISTERSAir bubbles on a photograph
BLISTERSAircraft gunners' cockpits.
BLISTERSTransparent domes, on aircraft.
BLISTERSGun turret shields on planes.
BLISTERSBanes of tennis players
BLISTERSSore spots
BLISTERSResult of manual labor, perhaps
BLISTERSScorches verbally
blistersA small bubble on the skin filled with serum and caused by friction, burning, or other damage
blistersAn annoying person
blistersBLISTER, to cause fluid filled swellings on the skin
blistersA preparation applied to the skin to cause a blister
blistersA similar swelling, filled with air or fluid, on the surface of a plant, heated metal, painted wood, or other object