1 For care provided from 5 through 12 hours per day, use the full-day rate. 2  For care provided more than 12 hours but less than 17 hours in a day, use the full-day rate for. 3  the first 12 hours and the part-day rate for the remainder.
Racking Tubes, Canes, and Siphons. Racking is just a fancy term for siphoning or moving your beer from one container to another while leaving behind any settled solids in the first container. If you've looked around, you will see that there are an array of devices available for achieving this.
.A test tube rack keeps tubes in place when they are not being actively used. It also allow for easy organization during experiments. All of the samples from one particular place or containing one particular substance can be placed on the same rack. Finally, test tube racks allow for good maintenance of the equipment.