1. This equipment, it is said, was commercially available three years ago 4.-1-1, it was agreed, should be replaceable by -1 at will 8. No textbooks available have mentioned this point. 9. Students are familiar with none of these parameters. 17. Some developed countries use as much as 60 kilograms of paper for each person in a year. 18 The darker the color the more heat will be absorbed1. This equipment, it is said, was commercially available three years ago. 4. -1 –1, it was agreed, should be replaceable by –1 at will. 8. No textbooks available have mentioned this point. 9. Students are familiar with none of these parameters. 17. Some developed countries use as much as 60 kilograms of paper for each person in a year. 18. The darker the color, the more heat will be absorbed