'AKA black lead, this form of carbon has a greasy feel & is used in making lubricants'
graphite
CARBON CREDITS: AKA black lead, this form of carbon has a greasy feel & is used in making lubricants
AKA black lead, this form of carbon has a greasy feel & is used in making lubricants
AKA black lead, this form of carbon has a greasy feel & is used in making lubricants
CARBON CREDITS
graphite
CARBON CREDITS