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1 m

The meter is the SI base unit of length. A meter is since 1983 (by the 17th CGPM) defined as the distance traveled by light in vacuum in a time of 1/299'792'458 second.

1 Fr.

The Swiss currency is CHF. CHF 1 corresponds to the bet of a slot machine.

1 Bq

The Becquerel is the unit of the nuclear decay. 1 Bq is 1 disintegration per second.

1 s

One second is 9'192'631'770 times the period length of the transition between two hyperfine levels of the ground state of the cesium Cs-133 radiation corresponding.