What causes headaches during pregnancy? During the first trimester, your body experiences a surge of hormones and an increase in blood volume. These two changes can cause more frequent headaches. These headaches may be further aggravated by stress, poor posture or changes in your vision. Other causes of headaches during pregnancy may involve one or more of the following: Lack of sleep.
Lucite, also known as acrylic, Plexiglas and Perspex, is the synthetic polymer polymethyl methacrylate. In essence, it is plastic, but with advantages... Acrylic Vs. Plexi Glass Acrylic and Plexiglass are often used interchangeably in product literature concerning sheet plastic.
Other names, such as Lucite (Perspex) or Plexiglass (Acrylite) have all been used when referring to high grade Acrylic. They are all trademark or proprietary brands of acrylic. Like Scotch for tape, or Kleenex for tissue. Some like to use Acrylic to mimic glass without the possibility of breakage, is a valid reason. Acrylic has characteristics that make it superior to glass : a 32mm thick piece of acrylic (just over 1â thick) is supposed to be bullet proof.