| Subject | English | Thesaurus |
| abbr., transp. | Australian Code for the Transport of Dangerous Goods by Road and Rail | ADG (Палачах) |
| abbr., O&G, sakh. | 30 Code of Federal Regulations Part 250 | 30 CFR 250 |
| abbr. | constituent code | cc (Alex Lilo) |
| abbr., O&G, sakh. | Institute of Petroleum Model Code of Safe Practical, Part 15, March 1990 | IP 15 |
| abbr. | Model code of safe practice Part 15: The Area classification code for installations handling flammable fluids | IP15 (EI 15, formerly referred to as IP 15 Alexander Demidov) |
| abbr., nucl.phys. | Monte Carlo N-Particle Transport Code | MCNP software (MichaelBurov) |
| abbr., nucl.phys. | Monte Carlo N-Particle Transport Code | MCNP (MichaelBurov) |
| abbr., logist. | Part Name Code | PNC (gorbulenko) |
| abbr., comp. | Programmer Access Code | PAC (Vosoni) |
| ocean., abbr. | Regional Atmospheric Transport Code for Hanford Emission Tracking | RATCHET |
| mil., abbr. | Work Accomplishment Code | WAC |