Definition. 1  Lactose intolerance refers to the inability of the body to digest lactose. 2  Lactose is the form of sugar present in milk. The enzyme lactase, which is normally produced by cells lining the small intestine, breaks down lactose into substances that can be absorbed into the bloodstream.
1 Tipping upon drop-off of your car is totally optional and is not done by the majority of drivers. Tip your valet when your car is returned to you from the parking lot.  A tip of $1 to $5 is the typical range, with $2-3 being most common.
Pizza driver homepage. The proper amount. The common courtesy is 15% for normal service. On small orders of less than $20, the proper amount is the $3 minimum standard. It should be a $3 minimum to have someone come out to your house. It's considerate to tip slightly more during bad weather. It's also considerate to tip slightly more for long distance. Tips are appreciated. Thank you for tipping the pizza guy.