The old technology of 1680 - more than three centuries ago, is there anything good? Today we have iPhones, flat screen TVs, smart robots that defeat humans. Actually, it is not,
The invention of ancient Egypt is worthy of admiration for the descendants of the next generation, when there are many of our everyday objects originating from them.
SkunkLock locks if dropped can spray the inside air into the thief, causing the object to have difficulty breathing and vomiting immediately.
If Igloohome locks are integrated into student accommodation, I think that the hostel will attract visitors because of this convenience.