What are these acrylic tools and equipment used for?

[optics.tech]

Hello everyone,

Can anyone please tell me what each tool/equipment that can do such as below three pictures made by acrylic?

http://tinypic.com/r/t8p1mv/6"
http://i46.tinypic.com/r25jzc.png"
http://i50.tinypic.com/2r71vgk.png"

Regards

Deedo

 

[minger]

This reeks of homework. We don't do it for you. What are some typical tool operations?