脑筋急转弯：What is this?

Coca Cola Canada Plant.

As a contractor, I have to put this small thing on my uniform , never seen it before:)

It's Covid -19 related stuff:)

所有跟帖： 

• What is this? it is 脑筋急转弯_I have to put all those small things -立- ♂ (0 bytes) () 07/07/2021 postreply 14:51:52

• 警报器，任何人进入你6 ft 距离之内它就flashing：) -欲借嵯峨- ♂ (0 bytes) () 07/07/2021 postreply 15:47:48

• 好东西！建议普及它 -天山晨- ♂ (0 bytes) () 07/07/2021 postreply 17:34:04

• 还以为表明你注射过疫苗了：） -beautifulwind- ♀ (0 bytes) () 07/07/2021 postreply 22:36:08