July 2021

Cancellation of abnormal operation of fire shutter

2021-05-13

While waiting at a certain home improvement center, the fire shutters suddenly started closing. All four aircraft began to close. Employees came a few minutes later, but they couldn't seem to open the switch box. Holding the key box, time passes without any focus on this or that. Cars entering and leaving […]

General

LED neck light recombination in dim light

2021-05-01

"I can't insert the front door key" Only the tip of the key fits into the U9 cylinder and gets stuck, but I can't insert any more. Rather than being hard, I feel like I'm being blocked by a physical wall. There is a sign that it is being pranked, but the visible tumbler in the foreground is fine […]