Manufacturing and construction to reopen but with social distancing required. Increased public transport available to facilitate, but also temporary cycle tracks to facilitate more people wanting to cycle rather than use public transport and given the expectation of more cars (for same reason) and higher speeds (given recent experience on roads!), greater need to keep cyclists safe.
Possibly coinciding with reopening of parks and public spaces but with restrictions on numbers so gatherings limited to 4-6 people, social distancing to be maintained etc.
Then shops reopening, and possibly some cafes etc. Still restrictions on numbers allowed in at any point.
Schools are some way behind that, and entertainment venues farther behind again - pubs, cinemas etc.
I think schools would initially have staggered returns - similar to secondaries starting with final years and first years in September to allow exam years get started and newcomers find their feet. Only longer staggering, and focussed on exam years, in particular, at secondary level. Possibly non-exam years coming in on alternate days - so 2nd and transition years on M/W/F week 1 and T/Th week 2, with 1st and 5th years doing the opposite (T/TH week 1 and M/W/F week 2) once they are allowed return. Primary schools possibly half days for everyone but junior school doing mornings only and senior half of school doing afternoons with juniors leaving premises before "lunch" and seniors only arriving after "lunch" to allow separation. And lunch being earlier than normal (11.30 or 12).
When exams do happen, they are very spread out - so where usually leaving cert and junior cert (or equivalents) are all fitted into a sports hall together, only leaving certs spread out in the hall and junior certs spread out across large classrooms instead.
Sports and large venues (concerts etc) will be later again as they involve gatherings of very large numbers of people.
People would certainly be encouraged to continue to WFH where possible initially, perhaps staggered within workplaces to improve social distancing within buildings. So some time in work, some time at home.
Holidays and tourism outlets would be slow to reopen I think - partly due to the need to maintain social distancing, and partly because everyone needs to get back to "normal", but also there will be far less long distance travel going on so far less incoming tourism.