What are ejector pins? (29 characters)

Ejector pins are used in injection molding to forcefully eject the solid part from the mold. They come in various sizes and shapes and can be customized. Three types of ejector pins are available, each with specific characteristics and temperature ranges. Thru-axles are good all-purpose studs, case-hardened pins are suitable for die casting, and black […]

Best enamel lapel pins: how to choose?

Choosing the best enamel lapel pin depends on its purpose and design. Enamel pins come in different types, including hard enamel and soft enamel, and are made through distinct processes. Enamel is a fire-resistant paint that retains its color over time, and hard enamel pins are of the highest quality but more expensive. Soft enamel […]

What are mourning pins? (26 characters)

Mourning pins are part of mourning jewelry, traditionally worn during a period of mourning. Most modern pins are antiques, and mourning-specific clothing and jewelry are rarely made. Mourning jewelry is an old concept, and mourning pins are usually made from jet and have a simple design. They can be worn as brooches or on hats, […]

What’s “brass pins” mean when going down?

The idiom “getting to the point” is used to distinguish fact from fiction or abstract thinking. The origin of the phrase “getting off the brass tacks” is unclear, but it may have originated from upholstery or the garment industry. Other phrases with similar meanings include “getting to the bottom of” something. When English speakers talk […]

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