To hold the centerline on the workpiece will help the device shown in the figure.
Recommend to read
Squint like an Eskimo While choosing equipment for snowboarding, I came across an article on the internet about Eskimos. More precisely, about how representatives of this people of the far north protected their...
“BLIZZARD” VS BLIZZARDS Anyone who's after a heavy snowfall had to clear sidewalks, alleys, parks, school hockey pitches, knows how difficult this job is. And involuntarily thought: "that would be Here some...