The lifetime of graphite is very long, unless it's abused. Heat, such as storing in the trunk of your car in the summer, can cause it to break down. Chips can weaken the wall. But it ought to...
Type: Posts; User: BigFlatBrook
The lifetime of graphite is very long, unless it's abused. Heat, such as storing in the trunk of your car in the summer, can cause it to break down. Chips can weaken the wall. But it ought to...
I've been curious about the overlining/underlining thing in the past. Here's my two cents.
First, you probably know that here are standards for determining the weight of a line. It's determined by...