The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 779
... cost of transportation from the mine to the consumer is an important part of the total cost ; when exported , it is often a major portion ( Table 1 ) . Coal - conveying facilities are competitive ; Table 1 : Comparative Costs of Various ...
... cost of transportation from the mine to the consumer is an important part of the total cost ; when exported , it is often a major portion ( Table 1 ) . Coal - conveying facilities are competitive ; Table 1 : Comparative Costs of Various ...
Page 782
... cost of a ton of coal at the mine . During the same 20 years , the average hourly earnings of the miners doubled ; the costs of supplies and equipment also increased rapidly . Other countries have also made tremendous strides in ...
... cost of a ton of coal at the mine . During the same 20 years , the average hourly earnings of the miners doubled ; the costs of supplies and equipment also increased rapidly . Other countries have also made tremendous strides in ...
Page 1051
... cost . Even the most successful applications of plated - wire memories have re- sulted in cost increases for the memory system of at least three times that of magnetic cores . The price differential , however , has been reduced somewhat ...
... cost . Even the most successful applications of plated - wire memories have re- sulted in cost increases for the memory system of at least three times that of magnetic cores . The price differential , however , has been reduced somewhat ...
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acid activity addition administration appear atoms became become bonds called carbon cause central centre century charge Charles chemical chemistry Chess China Chinese combined common complete compounds containing continued cultural drugs early economic effect electrons elements energy established example Figure forces four give given groups hydrogen important increased industry involved ions Italy king known land later less literature living major mass materials ment metal methods molecular molecules move natural occur officials orbitals organic original party percent period play political population position possible present properties provinces reaction region remained represented result river rule separation social species structure substances successful temperature tion types United usually various