Why can&#39;t we just buy &quot;Near sighted&quot; glasses at the local drug store like we can buy &quot;Far sighted&quot; reading glasses for $10 and that&#39;s it?t makes no sence. If I just have normal bad eye sight, then why can't I just go to the local store to buy some near-sighted glasses Near-Sighted glasses are reading glasses also, but just to read further away.
Perfume is thousands of years old-the word perfume comes from the Latin per fume through smoke. One of the oldest uses of perfumes comes form the burning of incense and aromatic herbs used in religious services, often the aromatic gums, frankincense and myrrh, gathered from trees.
Replacement compounds and economics Historically, the primary commercial use of ambergris has been in fragrance chemistry, although it has also been used for medicinal and flavoring purposes. Ambergris has historically been an important perfume odorant and is highly sought.mbergris is relatively nonreactive to acid. White crystals of a substance called ambrein, can be separated from ambergris by heating raw ambergris in alcohol then allowing the resulting solution to cool.