it is a ring used in laboratory that is made with iron...
The iron ring is used as a support for laboratory devices.
The iron ring is a support for laboratory glassware as for ex. funnels.
The iron ring is a support for laboratory glassware as for ex. funnels.
The iron ring is a support for laboratory glassware as for ex. funnels.
The iron ring is a support for laboratory glassware as for ex. funnels.
iron ring is used in Bunsen burner and it is adjustable
The iron ring is a support for laboratory glassware as for ex. funnels.
Iron ring is a metallic circle used as a support of laboratory ware during heating.
The iron ring is used to hold glassware or other devices in the laboratory, especially during heating.
The iron ring is used to support laboratory devices for heating.For a picture see this link.
The iron ring is a support for laboratory glassware as for ex. funnels.
The iron ring is manufactured from zinc plated cast with built in support clamp these things are built for strength and versatility.