20) Fire tests must be conducted in accordance with UL 2166. For systems without piping the fire tests of section 36 of UL 2166 must be conducted. The test must be repeated at the system manufacturerâs design concentration and under conditions of one air change per minute for the test enclosure.
Agar Agar Jelly (china grass) is a healthy kids jelly. Agar-agar is a natural vegetable gelatin counterpart. Agar Agar or China Grass is a White and semi-translucent, it is sold in packages as washed and dried strips or in powdered form.
Petroleum jelly is an ingredient in many cosmetics and lotions. Originally it was marketed as a burn ointment. While petroleum jelly does not cure burns or other wounds, it does seal a cleaned burn or injury off from contamination or further infection.Petroleum jelly also may be applied to dry or chapped skin to seal in moisture.A variation known as red veterinary petroleum confers some protection against UV (ultraviolet) exposure and has been used as a sunscreen. By Anne Marie Helmenstine, Ph.D.hile petroleum jelly does not cure burns or other wounds, it does seal a cleaned burn or injury off from contamination or further infection. Petroleum jelly also may be applied to dry or chapped skin to seal in moisture.