Minutkový průzkum

Výrazy níže popisují nějaké součásti hodinek. Prosím, pokud je znáte a víte, co znamenají, vyberte rozumím - pokud je neznáte a nic vám neříkají, vyberte Jiné a zkuste si alespoň tipnout (bez Googlu) co by to tak mohlo být. Zbylé otázky prosím zodpovězte dle variant.
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