Some of the most popular Pyrex patterns today include: 1  of 07. Butterprint or Amish. 2  of 07. Daisy. 3  of 07. Dot or New Dots. 4  of 07. Eyes. 5  of 07. Gooseberry. 6  of 07. Rainbow Stripes. 7  of 07. Snowflake.
The friction surface of a vented rotor consists of two metal discs held together with vanes of metal which creates tunnels that let the heat escape. We call those cooling vanes. With the solid rotor, the friction surface consists of only one metal disc. This greatly reduces its ability for cooling. It is a common misunderstanding that you can choose whether you get a solid or vented rotor, this is NOT true.
A circuit vent which loop backs to connect with a stack vent instead of a vent stack. Any vent connecting a horizontal branch or fixture drain with the stack vent of the originating waste or soil stack. LOCAL VENT. Is a pipe on the fixture side of the trap through which vapor or foul air is removed from a room fixture.