different between cfc vs hcfc

cfc

cfc From the web:

• what cfc stands for
• what cfc means
• what cfcs do to the ozone layer
• what cfcs do to our atmosphere
• what cfc compound is used in refrigerators
• what cfcs are
• what cfc stands for in church
• what does cfc

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hcfc

hcfc From the web:

• what is hcfc-22
• what is hcfc fire extinguisher
• what does hcfc stand for
• what is hcfc refrigerant
• what is hcfc gas
• what is hcfc-141b
• what does hcfc stand for in refrigeration
• what are hcfcs used for