មគ្គុទ្ទេសក៍ចុងក្រោយសម្រាប់ការជ្រើសរើសបំពង់ខ្យល់ប្លាស្ទិកសម្រាប់ការដំឡើងខ្សែកាបអុបទិក និងឧបករណ៍ប្រើប្រាស់
When a telecom contractor in Manchester encountered repeated fiber-blowing stoppages on a new business-park route, the crew first replaced the blowing machine and then increased compressor output. Within minutes, a pull rope again jammed at a bend and water appeared at an open duct end. The reversal came when the planner checked the route records: the issue was not a defective machine, but an…
