1. This is another reason why the ring where two boxers fight is also referred to as the ‘square circle’. The idea behind this boundary ring was to keep the audience at a safe distance ( since viewers/fans often tended to disrupt the fight in ways big or small), in addition to containing the fight within a specific area
2. A/B
3. The color change came in the 1960’s when companies sold steel plates coated with green porcelain-based enamel instead of the traditional dark slate. The new material was lighter and less fragile than the first blackboards, so they were cheaper to ship and more likely to survive the journey.
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Answer:
1. This is another reason why the ring where two boxers fight is also referred to as the ‘square circle’. The idea behind this boundary ring was to keep the audience at a safe distance ( since viewers/fans often tended to disrupt the fight in ways big or small), in addition to containing the fight within a specific area
2. A/B
3. The color change came in the 1960’s when companies sold steel plates coated with green porcelain-based enamel instead of the traditional dark slate. The new material was lighter and less fragile than the first blackboards, so they were cheaper to ship and more likely to survive the journey.