Requests are processed on working days, from 9 a.m. to 9 p.m. (GMT+3, Moscow).

We try to reply within 24 hours, but the time lag may increase depending on the number and complexity of requests received. If there is no answer for a long time, check your Spam folder.

Describe the key points of the request in details — this will reduce the number of follow-up questions and help to get the answer faster.

To send a screenshot please upload it to habrastorage.org and give a direct link in the text.

Before contacting the support try to find the answer in the Help section of the website.

Электропроводная краска превращает бумагу в сенсор

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