A case of the equipment. Can call to service staff at a number 02-470-8145 projection or number within the 8145
.The staff to inquire the symptoms. And advise on the phone. In order to ทดลองแก้ไข manually, if cannot be solved. The staff to serve at the classroom by no more than 10 minutes from receipt of the notice
.A case that could solve equipment to use it. The staff will bring backup to substitute to use instead, except in the case of no backup. Will inform you
.
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