Key: cm = centimeter in = inch mm = millimeter kg = kilogram m = linear meter
+-----------+------+-------+--------+-------------+--------+--------+-------+
| PIPE | |Weight |Cost/ | LEAD | OAKUM |CHARCOAL| Total |
| DIAMETER |Thick-| of |piece +------+------+--------+--------+ Ma- |
+------+----+ ness | Pipe |fob Mon-|Weight| Cost | Cost | Cost |terial |
| | | | |terrey | | | | | Cost |
| cm | in | mm | kg | pesos | kg |pesos | pesos | pesos | per m |
+------+----+------+-------+--------+------+------+--------+--------+-------+
| 10 | 4 | 10.3 | 109 | 11.65 | 2.0 | 0.37 | 0.025 | 0.0525 | 3.30 |
| 15 | 6 | 11.1 | 163 | 15.74 | 3.7 | 0.67 | 0.0675 | 0.065 | 4.51 |
| 30.5 | 12 | 15.8 | 463 | 76.50 | 7.9 | 1.44 | 0.1225 | 0.1 | 21.35 |
| 38 | 15 | 17.4 | 680 | 79.36 | 10.6 | 1.94 | 0.175 | 0.12 | 22.30 |
| 45.7 | 18 | 19.0 | 871 | 90.28 | 13.4 | 2.42 | 0.2375 | 0.1375 | 25.42 |
| 61 | 24 | 22.2 | 1,261 | 117.60 | 18.8 | 3.42 | 0.335 | 0.175 | 33.20 |
| 76 | 30 | 25.4 | 1,946 | 199.05 | 24.5 | 4.42 | 0.44 | 0.2125 | 55.77 |
+------+----+------+-------+--------+------+------+--------+--------+-------+