<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["fr", "en"].<end_of_turn>
<start_of_turn>user
Que sont les broches rondes et les broches coniques ?<end_of_turn>
<start_of_turn>model
Round and taper pins are simple cylindrical pins with or without a taper and they offer effective means of fastening pulleys, gears, or levers to a shaft. It may be fitted such that half the pin lies in the hub and the other half in the shaft. 
These joints give positive grip and the pins are subjected to a shear load. <end_of_turn><eos>