Abstract: A water collector and drain for a scaffolding, having: the scaffolding having at least one horizontal beam and at least one vertical beam; a fabric basin coupled to the at least one horizontal beam, the fabric basin having an open end and a concaved end; a drain exit fluidly connected to the fabric basin at the concaved end; and a connection arrangement for attaching the fabric basis to the at least one horizontal beam such that the open end at least partially extends past the horizontal beam of the scaffolding.

Abstract: A dual-power electromechanical lock is provided. The lock comprises a lock cover and a lock body with a latch therein, wherein the latch is installed in the lock body by a rotation restoring mechanism, the lock body is provided with a main power device in transmission connection with the latch, the lock cover is provided with a key hole corresponding to a key, a mechanical power device corresponding to the main power device is provided inside the lock body, and the mechanical power device is in transmission connection with the main power device.

Abstract: This invention provides a dual-power electromechanical lock. The lock comprises a lock cover and a lock body with a latch therein, wherein the latch is installed in the lock body by a rotation restoring mechanism, the lock body is provided with a main power device in transmission connection with the latch, the lock cover is provided with a key hole corresponding to a key, a mechanical power device corresponding to the main power device is provided inside the lock body, and the mechanical power device is in transmission connection with the main power device.