Facts. Protein and blood in your urine can be detected using a test called a urinalysis. This test can measure the presence of both protein and blood, as well as detect the presence of bacteria and white blood cells, the cells that fight off infections.
Here is a complete guide to which vendors you should tip (and how much!) on your wedding day. Photo Credit: Wren Photography. Catering: If your contract doesn't include gratuity, you should tip 15 to 20 percent of the total bill. Another way to tip is offering $50 to $100 for each chef and $20 to $50 per server.
Tipping can be confusing and varies. But a general rule for waiters is to tip 15 to 20 percent of the pre-tax bill, and $2 to $5 per night for housekeeping service. Tipping expectations are tied to minimum-wage levels. Waiters and other restaurant staff can earn three or four times more from tips than wages. Foreign nations have their own etiquette.