aluminium
it is made of some sort of metal
Brass, mostly. There are others, like pewter, used for the finish trim and plastic is widely used too.
Taps need not be made with metal.... But most taps are because they don't melt if hot water passes through............
There are many places where one could purchase bathroom sink taps. One could check online shopping websites such as Amazon or eBay for purchasing bathroom sink taps.
Bathroom fitting is made from brush metal. People who are looking for attractive and best quality bathroom fittings and accessories can prefer showerenclosure as it offers a wide range of variety in bathroom fittings in reasonable price.
the taps that you drink from is made from is titaniam
That water is used in the cold taps in your bathroom and for the heated water you use. Don't drink from these taps.
Assuming you are talking about bathroom taps or washroom taps, they are used for ablution (wudhu) which is necessary before praying to Allah in Namaz, or to even touch the Holy Quran.
only if you mount them so aggressively that you bleed from your urethra
Delta bathroom taps come in several different styles and therefore price ranges. The cheapest can be got for less than $15 a pair and then the price goes up to over $50 a pair.
Any home improvement store would carry bathroom sinks and taps. Home Depot or Lowe's would have a great selection and probably a lower price than a privately owned plumbing supply store.
They are a company who make and create Bathroom products. The types of bathroom products that they make are such things as sinks, taps, showers and baths possibly a bathroom radio