You can add trash until the compartment is full and the compactor will not compact the trash any further. The compact cycle time will be shortened as the compartment fills up. During full cycle the ram travels 2/3 of the way down into the trash bucket.
With Humalog's short action time of 3  hours, covering postmeal highs with more insulin can be considered as soon as two hours if a meal dose have been underestimated. Of course, not as much sliding scale insulin would be needed here as before a meal, because some of the meal dose is yet to work.
Quick Answer. Humalog is a rapid-acting insulin treatment for diabetes, while Humulin is short-acting, according to Drugs.com. Humalog has an on-set time of 15 minutes, a peak effectiveness at 1 1/2 hours and a duration of two to five hours. Humulin has an on-set time of 30 to 60 minutes, a peak effectiveness between two and five hours and a duration of six to eight hours.