The dictionary defines collate as a verb meaning to arrange items in a predetermined sequence. In printing, collate refers to putting pages of a document or other information materials in their proper order. Collating can be done manually.
Increase the weight lifted 2.5 to 10 pounds each week to increase your bench press between 10 and 40 pounds in a month. Perform heavy bench press at least once a week but not more than twice weekly on nonconsecutive days.
Increase the speed. If you have been walking at 3 mph, boost the speed to 3.5 and then 4 mph. You may have to do that for only a couple of minutes at a time at first until you build your speed walking technique and capacity. You can also vary the incline to increase the intensity of your workout. By walking or running uphill, you will challenge your muscles in new ways as well as burning more calories at the same speed. You can measure how effective that is by noting your breathing intensifying and your heart rate being raised.