The 2021 International Conference on Machine Learning and Big Data Analytics for IoT Security and Privacy: SPIoT-2021 Volume 1: 97 (Lecture Notes on . and Communications Technologies, 97)

Your satisfaction is very important to us and nobody likes bad feedback but we
are only human and sometimes things can go wrong. Any defects, damages, or
material differences with your item, must be reported to us within 7 days of
receipt of the item or 30 days from date of shipment. The returned merchandise
must be postmarked within 30 days of the shipment notification. Non-deliveries
must be reported within 30 days of Shipment Notification. Any items no longer
required may be returned at the b...