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.
â¢ Valet parking staff. Don't tip a hotel staff member who opens a guest's car door at the hotel entrance or parks the car in a valet lot. The valet who retrieves the car from the parking lot should be given $2 to $5.â¢Bellmen. The common tip is $1 to $2 per bag. Valet parking staff. Don't tip a hotel staff member who opens a guest's car door at the hotel entrance or parks the car in a valet lot. The valet who retrieves the car from the parking lot should be given $2 to $5. â¢Bellmen.