sentences:  In addition to these People's Republic of China manufactures ammunition in 57x348SR caliber, designated Type 59 HE-T, Type 59 AP-T, and Type 76 HE-T.
  
  Training rounds include a blank round MK-281 ("Manöver-Kartusche", East German designation), and training rounds with -IN suffix (UBR-281U-IN, UOR-281U-IN) identifying the rounds as fuzeless versions of the APCBC and HE rounds with dummy fuzes and inert filling replacing the explosive cavities.Airburst munitions for Russian 30 mm and 57 mm autocannons are in development.The S-60 was sold to at least 37 different countries during the Soviet era.