Type 1
Type 1 or Type I or variant, may refer to: == Health == Diabetes mellitus type 1 (also known as "Type 1 Diabetes"), insulin-dependent diabetes Type I female genital mutilation Type 1 personality Type I hypersensitivity (or immediate hypersensitivity), an allergic reaction == Vehicles == Type 1 diesel locomotives === Civilian automotive === US F1 Type 1, 2010 F1 Car Bugatti Type 1, an automobile Peugeot Type 1, 1890s vis-a-vis Volkswagen Type 1, an automobile commonly known as the Volkswagen Beetle === Military === German Type I submarine Type 001 aircraft carrier, PLAN carrier class variant of the Soviet Kuznetsov class Nakajima Ki-43, officially designated Army Type 1 Fighter ==== Japanese armoured vehicles of World War II ==== Type 1 Chi-He, a tank Type 1 Ho-Ni I, a tank Type 1 Ho-Ha, an armoured personnel carrier Type 1 Ho-Ki, an armoured personnel carrier == Weapons == Type 1 37 mm Anti-Tank Gun, a Japanese weapon Type 1 47 mm Anti-Tank Gun, a Japanese weapon Type 01 LMAT, a Japanese fire-and-forget anti-tank missile Type 1 heavy machine gun, a Japanese weapon Type 1 machine gun, a Japanese weapon Type I Rifle, Arisaka; a Japanese combat rifle == Other uses == Type I and type II errors used in statistics Type 1 encryption, a cryptographical certification Type 1 fonts Type-1 Gumbel distribution, a distribution function Type I lattice Type 1 sequence Type I plug/socket, known formally as AS 3112, an Australian standard for mains power plugs Type 1 electrical connector, used by electric vehicles Type I superconductor Type I string theory Type I transmembrane protein Type I, part of the Kardashev scale of measuring a civilization's technology level IEC Type I, one of the four "type" classifications of audio cassette formulation MOT Type 1 Stone, a UK specification for aggregate used as a sub-base in the construction of driveways and roads. Type-1 language in the Chomsky hierarchy of formal languages, a.k.a.