Để tăng tính thẩm mỹ cho sprinkler cũng như giữ thẩm mỹ cho khu vực bảo vệ, Tyco đã mạ bên ngoài vòi phun sprinkler với nhiều chất liệu khác nhau như Polyester, Chrome, lead coated, wax coated, wax-over-lead coated…
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