tangency problem in / engineering drawing / technical drawing / Door knob

this tutorial video shows every step taken to construct a Door knob using the principle of tangency both in engineering drawing / technical drawing.
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[@EzekielChilumba]

Thanks you so much 💯💯

[@ogechukwukaosiagwu3395]

Thanks for the video I was able to understand door knob finally

[@majin007]

thx bro you are the best

[@Motivationaren]

This video helped me a lot thanks 😃

[@jcengineeringandtechnicald2223]

You welcome.
Much love from J, C engineering and technical drawing

[@OjetolaToyin-ww3wr]

Make it construction lines more visible

[@emersoncruz7176]

Is R25 is equivalent to 25mm or 25 degrees? Thank you

[@jcengineeringandtechnicald2223]

R25 = 25mm.

[@emersoncruz7176]

@@jcengineeringandtechnicald2223 Thank you very much!

[@JonathanYotamu]

You're not showing some steps clearly 🤷