233914 和 233999 有什么不同？

salime

233914 ENGINEERING TECHNOLOGIST

Analyses and modifies new and existing engineering technologies and applies them in the testing and implementation of engineering projects. Registration or licensing may be required.Skill Level: 1

Specialisations:
Aeronautical Engineering Technologist
Agricultural Engineering Technologist
Biomedical Engineering Technologist
Chemical Engineering Technologist
Industrial Engineering Technologist
Mining Engineering Technologist

233999 ENGINEERING PROFESSIONALS NEC

This occupation group covers Engineering Professionals not elsewhere classified. Registration or licensing may be required.Skill Level: 1
Occupations in this group include:
Mechatronics Engineer
Product Design Engineer

这两个职业有什么不一样呢？233914在s3里面，233999在s4里面，如果被评到233999那就很悲剧了，怎么样才能更倾向于被评到233914呢？