ball-point pen: sphere
Cylinder
The 7mm mag has mare pressure that a 270 win.
1cm = 10mm Therefore 1cm is larger than 7mm
because it can be rubbed out you nogging
.32mm Anything which is 0.00 is going to be smaller than 1mm.
A mouse can get through a hole the size of a ball point pen (7mm) . A shrew is smaller so can probably get through a hole of 4-7mm. I think small rodents can compress their skulls to squeeze through amazingly small gaps.
.5mm is finer than .7 mm
3mm
ball-point pen: sphere
For ball-point pens, the tip of the pen is actually made of a ball bearing, and so the tip of the ball-point pen would be a point until it is worn or not manufactured properly, in which case it might be abit flattened.
Ball point pen is called ball pen in India
The point of a pen is typically referred to as the nib or tip.
The quill pen, the fountain pen and then the ball point pen.
Tagalog translation of BALL-POINT PEN: pluma
A ball point pen point is made of a small metal ball.
The first ball point pen was made by Laszlo Biro.