This text is missing some spaces, please add them: DuringmyworkwiththebookIhaveencounteredencouragementandhelpfulnessfrommanycornersandIwanttothankallthepeople,whohavecometomewithinformationandguidanceandwhohavethuscontributedtocompletingthetask.
During my work with the book I have encountered encouragement and helpfulness from many corners and I want to thank all the people, who have come to me with information and guidance and who have thus contributed to completing the task.

This text is missing some spaces, please add them: 2.legalobligations:invoicing,obligatorybooksofaccountsandentries,communicationstorequestingauthorities;
2. legal obligations: invoicing, obligatory books of accounts and entries, communications to requesting authorities;

This text is missing some spaces, please add them: Adultsshoulddevelopaskin-careregimenaspartoftheirdailyroutine,whichcanbeadaptedascircumstancesandskinconditionschange.Stressmanagementandrelaxationtechniquesmayhelpdecreasethelikelihoodofflaresduetoemotionalstress.
Adults should develop a skin-care regimen as part of their daily routine, which can be adapted as circumstances and skin conditions change. Stress management and relaxation techniques may help decrease the likelihood of flares due to emotional stress.