CIRCLE
Pressure is inversely proportional to area. A sharp pin has lesser area compared to a blunt pin. Therefore we require lesser pressure to push the pin with lesser area.Hence it's easier to push a sharp pin which has lesser area.
It depends on the object. For a pin we would say the end of a pin For a knife we would point of the knife.
When referring to a clevis pin, the grip is the distance from the below the pin head to the edge of the hole.
the type of machine that a clothes pin is, is a lever
Ive heard from other people that if you tape the area you are gonna poke with the pin, that when removing the pin, it should not pop.
stem
pin curl is where you curls are really tight and finger wave is slightly loser curls
You cut a piece of hair and curl it.Pin it to your hair with a bobbly hair pin.
Pin curls sliced from a shaping and formed without lifting the hair from the head
Curl them sideways. Pin them up. Braid them. Layer them.
Pin them up in the spiral
Normal rollers, velcro rollers, curling tongs, use product and twist a curl in your hair and keep it in place with a pin.
Pin supports consist of a pin through 2 components which allows rotation about the joint but no translation relative to the pin due to the reactive forces from the pin preventing this movement.
Apart from cutting it you can curl it if it is straight as this will make it appear shorter. You can also pin it under your hair to the back of your head.
In 1960, women used hair rollers in their wet hair to curl their hair. Roller size varied and large rollers were about the size of a Coke can. They used bobby pins or clips to hold the curlers in place and often slept in the curlers. Pin curls or spit curls were other ways to curl hair.
firing pin block
They're probably of poor quality. Try using some pin curl or alligator clips to really hold them in place.