Water pipes can hum for a few different reasons. One common cause is water pressure that is too high, which can create vibrations in the pipes and cause them to hum. Another possibility is that the pipes are not properly secured and are vibrating against the surrounding structure. Additionally, air bubbles or sediment buildup in the pipes can also cause humming or vibrating noises. It's important to address the issue promptly, as prolonged humming can lead to damage or leaks in the plumbing system. **

Yes, a fishing line can float in the water. The buoyancy of the fishing line depends on its material and thickness. For example, monofilament lines are more buoyant than fluorocarbon lines, and thicker lines are more likely to float than thinner ones. Additionally, the presence of any bait or lures attached to the line can also affect its buoyancy. **

No, the closed metal ring should not be removed from a canary bird. This ring is typically placed on the bird's leg for identification purposes, such as showing the bird's breeder and year of birth. Removing the ring can cause unnecessary stress and potential injury to the bird. It is best to leave the ring in place unless advised otherwise by a veterinarian. **

The best line for spoon fishing is typically a monofilament or fluorocarbon line in the 6-12 pound test range. These lines provide good sensitivity and strength for detecting strikes and fighting fish while also allowing the spoon to move naturally in the water. **

For trout fishing, it is recommended to use a light to medium weight fishing line. A monofilament line with a test strength between 4-8 pounds is commonly used for trout fishing. Fluorocarbon lines can also be a good choice as they are less visible underwater. Ultimately, the best fishing line for trout will depend on the specific fishing conditions and personal preferences. **

Humming itself is not dangerous. It is a natural sound produced by the vibration of vocal cords in the throat. However, if someone is humming in a situation where they need to be alert, such as while driving or operating machinery, it could potentially be dangerous as it may distract them from their surroundings. Otherwise, humming is a harmless and often soothing activity. **

The strange humming of a water heater is often caused by sediment buildup at the bottom of the tank. As the water heats up, the sediment can harden and create a barrier that causes the water heater to work harder, resulting in the humming sound. Another possible cause could be a loose heating element or a malfunctioning heating element, which can also create vibrations and humming noises. Regular maintenance and flushing of the water heater can help prevent sediment buildup and reduce the likelihood of strange noises. **

For spoon fishing, it is recommended to use a monofilament line with good strength and abrasion resistance. A monofilament line with a test strength of 10-20 pounds is typically suitable for spoon fishing, as it provides the necessary strength to handle the weight of the spoon and potential resistance from the fish. Additionally, a clear or low-visibility monofilament line is often preferred for spoon fishing to reduce the chances of spooking fish in clear water conditions. **