The trademark goods and Services use was Magnetic tape recorders and reproducers. Garden eels are sexual reproducers and sexually dimorphic. However, some Basidiomycota are obligate asexual reproducers. Consequently, both low-quality and audiophile reproducers alike could replay any recording with the correct equalization. They are a polymorphic species of r-strategists (prolific reproducers). The fewer the reproducers, the higher the relatedness. Their intelligence makes it difficult for parasitic reproducers like cuckoos to take advantage of them. In 1973, Goblin was bought by Birmingham Sound Reproducers (BSR), alongside their Swan Brand subsidiary. For future reproducers it is mandatory to hibernate 3 months. With fewer queens, the worker-to-worker relatedness increases because there are fewer reproducers. Commercial reproducers of such chests may rarely re-create this inlay technique as well. Bacteria tend to be the most prolific reproducers, at least in moderate environments.