hard mineral (diamond). with the exception of diamond, the minerals are all relatively common and easy or inexpensive to obtain. making hardness comparisons "hardness" is the resistance of a material to being scratched. the test is conducted by placing a sharp point of one specimen on an unmarked surface...
gloves read more leather fact the leather glove is the oldest type of glove known. cow grain and split leathers are the most popular for protective gloves as they offer good flexibility, manual dexterity and exceptional abrasion and tear resistance. of all the many tanning processes, chrome tanning...
gloves read more leather fact the leather glove is the oldest type of glove known. cow grain and split leathers are the most popular for protective gloves as they offer good flexibility, manual dexterity and exceptional abrasion and tear resistance. of all the many tanning processes, chrome tanning...
gloves read more leather fact the leather glove is the oldest type of glove known. cow grain and split leathers are the most popular for protective gloves as they offer good flexibility, manual dexterity and exceptional abrasion and tear resistance. of all the many tanning processes, chrome tanning...
gloves read more leather fact the leather glove is the oldest type of glove known. cow grain and split leathers are the most popular for protective gloves as they offer good flexibility, manual dexterity and exceptional abrasion and tear resistance. of all the many tanning processes, chrome tanning...