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 support laboratory devices for heating.For a picture see this link.
The iron ring is used to hold glassware or other devices in the laboratory, especially during heating.
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.