Give them a warm welcome;

Be friendly and kind and introduce yourself and the other coworkers;

Be empathetic towards them and remember the hardships of a first day;

Share your wisdom and answer all their questions patiently;

Put them at ease and relieve any tension. Talk with them informally and bring him in the mindset that mistakes are learning opportunities;

Explain to them the onboarding process;

Understand what they already know about their tasks and identify where to put the focus on;

Spark their interest by underlining the importance of their tasks and their contribution;

Make sure they understand that questions are welcome and can be asked any time;

Give them a brief overview over the number of steps for each task;

Show the process at its normal speed so that they can see the rhythm and how one step leads to the next one;

Clearly demonstrate each step of the task. Explain precisely what you are doing and why by going through the key points and common errors;

Make sure to leave out unnecessary details;

Give them feedback and encouragement;

Correct any errors and reinstruct when necessary; always ask if there are any open questions;

Continue until you are sure they have learned all the steps and that they can operate safely and correctly.