Usually iron covered in enamel or chrome to rust-proof it.
brass or plastic because they dont rust
Tap water doesn't contain the material they need to survive.
Tap water is not made, it is a natural product. Water is stored in a reservoir and is piped (and sometimes pumped) from the reservoir to the tap.
Natural water is acidic and tap water can contain some toxic material but we require deionized water and water free from any toxic material That's why we don't use both of these waters
Same as with distilled water and tap water-how much particulate matter it contains.
Distilled water means purified and clean. It is used to instead of tap water because in tap water there can be dirt and particles that can be a contaminating if put on a swab and used in the human body.
Holy Water is simple tap water that has been blessed by a priest.
Tap is better, because it has been made cleaner by machines etc
Tap water is fresh water. The phrase "fresh water" refers to water with very little or no salt in it (as opposed to salt water, such as is found in oceans). Tap water contains little or no salt, and is therefore fresh water.
no because rain water has nasty chemicals that could do your body harm but tap water has been filterd and cleaned so tap water is safe
It improves teeth health, and in some countries, they put it in tap water.
Definitely Tap Water.
you can tap tap