Larger variations , especially below the norm , may indicate hearing impairment which occurs to some extent with increasing age , but may be exacerbated by prolonged exposure to fairly high noise levels such as by living close to an airport or busy road , work related exposure to high noise , or brief exposure to very high sound levels such as gunshot or music in either a loud band or clubs and pubs .
ADJ NOUN , ADV ADP DET NOUN , AUX VERB NOUN NOUN DET VERB ADP DET NOUN ADP VERB NOUN , CCONJ AUX AUX VERB ADP ADJ NOUN ADP ADV ADJ NOUN NOUN ADJ ADP ADP VERB ADV ADP DET NOUN CCONJ ADJ NOUN , VERB ADJ NOUN ADP ADJ NOUN , CCONJ ADJ NOUN ADP ADV ADJ NOUN NOUN ADJ ADP NOUN CCONJ NOUN ADP CCONJ DET ADJ NOUN CCONJ NOUN CCONJ NOUN .