1.   Once you have cured the water pollution problem, you will have to take steps to avoid it happening again.

2.   This is one of the most important sources of water quality problems.

3.   As the population grows, the water problem will probably get worse.

4.   Ask the builder to certify whether he or she will stand behind the home and pay for damages if water problems arise.

5.   Basically, a total maximum daily load is a quantitative assessment of water quality problems and those sources contributing to pollution.

6.   Bern has had a history of water shortage problems.

7.   Ben-Meir maintains that the Palestinian water problem stems from underdevelopment and simple poverty.

8.   A line of roofing cement on the top half of the uppermost row of repair shingles will help seal out possible future water problems.

9.   A drought in Iraq has worsened water problems.

10.   A. What you have is a water problem, originating behind the shingles or clapboards or whatever wood you have on the house.

n. + problem >>共 955
health 11.61%
heart 4.65%
drug 2.79%
security 2.11%
computer 1.60%
safety 1.51%
knee 1.51%
image 1.25%
injury 1.12%
kidney 0.97%
water 0.67%
water + n. >>共 642
shortage 4.19%
tank 2.72%
quality 2.36%
resource 2.30%
source 2.25%
plant 2.10%
heater 1.98%
company 1.96%
pump 1.49%
flow 1.45%
problem 1.18%
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