Sites rarely show the correct difference between thick and thin lines.
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I can guide you through the actual steps to complete the drawing yourself!
🟢 Solutions are free and do not require registration.
Drafting is a highly visual subject. Copying from a site like MirUrokov often leads to issues: Uploaded solutions are often blurry.
The website (specifically for 9th-grade drafting / cherchenie ) is a well-known Russian online platform offering pre-solved homework assignments (GDZ).