Group presentation

good topics

add some visual adis(pictures, videos

narrow down contents, make main idea clearer

calling attention beginning of the presentation

add some question time between subtopics if it is academic presentation

Keep in time

take responsibility

smooth transition between group members

pretending Q&A

body languages

be polite, not using slang

eye contact, not just reading script

speak with confidence

clear out the stakeholders and aim their interest

Considering audience's knowledge

Show, Stories, Simple

Do not write too many in the ppt