This OiRA tool includes the usual work of electrician. Work space of electrician is specific. Work is done outside or in the building, where inside conditions depend on the object being operated. Electrician work encompasses several phases from basic wiring to final assembly. When the tasks are carried out in the unoccupied building, electrician is often exposed to a severe cold and draught. Electrician is exposed to a several risks such as burns caused by electricity, extreme low temperatures, repetitive tasks, heavy lifting, working on heights, chances of eye injury due to the flying objects, slips, falls, dangerous goods and toxic biological substances due to the animal feces. The purpose of the online tool OiRA for painters and façade workers is for employees and employers to remind each other of dangers, collaborate, and give each other advice to make a safer workplace for employees.