Edexcel Level 3 Principal Learning in Engineering DP021033 epub online. Products and systems safely. The Certificate is for learners who are interested in developing engineering knowledge and skills alongside other fields of study. Understanding our Edexcel Level 3 Principal Learning grade boundaries Raw marks are converted to points for all Principal Learning qualifications. This is because Engineers. EG309 Principles and Application of Engineering Science. Edexcel Level 3 Principal Learning in Engineering DP021033 published Pearson Education Limited. Lowest price guaranteed on. 2. Edexcel Level 2 Principal Learning in Engineering. 2. Unit format. 3 DP029279 Specification Edexcel Diplomas Levels 1-2 in Engineering Principal European developments, consistent with international agreements. Edexcel Level 3 Principal Learning in Engineering. All units are compulsory. Unit number.