Double strike information

Double strike or double struck may refer to:

A double struck coin, which occurs when a coin is struck twice in the minting process.
Double striking, or typing a character over itself on a typewriter as a way to make it darker (or by accident).
Blackboard bold, whose characters are sometimes called double-struck, a typeface style imitating the chalk writing used for mathematical symbols such as $\mathbb {N} ,$ $\mathbb {Z} ,$ $\mathbb {Q} ,$ and $\mathbb {R} ,$ which can be approximated on a typewriter by double striking the letters with a horizontal offset.
2023 Hollywood labor disputes, nicknamed the "Hollywood double strike" after the actors' guild declared a labor strike in July of that year, joining the writers' guilds who had gone on strike in May.
Double Strike, a 1989 video game developed and published in Taiwan by Sachen.
In bowling, strikes on two consecutive rolls.

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