Ultrasonic Cutting Curtain
Ultrasonic Cutting Curtain A curtain is a piece of cloth intended to block or obscure light, or drafts or water. Curtains are often hung on the inside of a building's windows to block the passage of light. Curtains vary according to cleanability, ultraviolet light deterioration, oil and dust retention, noise absorption, fire resistance, and life span. Curtains may be operated by hand, with cords, by press-button pads or remote-controlled computers. [...]