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super sir
sir, i am waiting for refrigirator , heat exchanger and thermal insulation with types😥
When you have exam pa?
It will soon
@@KDr2020 sir one week left for my exam to start😥
Very well explained sir ❤
You are most welcome 🙏
Thank you for your complement dear 🏀
sir one week left for my exam to start😥
Okay dear I will try to post as soon as possible
@@KDr2020 thank you so much sir 🥺❤️
super sir
sir, i am waiting for refrigirator , heat exchanger and thermal insulation with types😥
When you have exam pa?
It will soon
@@KDr2020 sir one week left for my exam to start😥
Very well explained sir ❤
You are most welcome 🙏
Thank you for your complement dear 🏀
sir one week left for my exam to start😥
Okay dear I will try to post as soon as possible
@@KDr2020 thank you so much sir 🥺❤️
super sir