Both make excellent dildos
For insulating a current you can use plastic/rubber.
Plastic, iron, rubber and steel
Hockey pucks are usually made of hard plastic, although some rubber ones can be found rarely; they are not generally used because they are extremely hard to use properly.
nylon
You can use a plastic plate but not paper or possibly a rubber disc
re-enforced rubber and a slim layer of some bouncy material American dodgeballs are made of rubber and pumped with air. where I'm from (the UK) we use foam balls with a hard plastic layer on the outside.
The plastic refers to a generic name of synthetic materials that can be molded into objects that we can use. Rubber refers to an elastic material made from Latex.
You could use plastic, rubber, wood and several other things/ Plastic and rubber are much preferred, though.
Hard rubber.
plastic rubber glass metal
Vulcanized rubber has disulfide crosslinks and is hard and strong.Natural rubber has no crosslinks and is soft and weak.
yes they are but the pro use hard plastic