Photography. a film having a nonflammable base of triacetate cellulose.
photographic film consisting of a nonflammable cellulose acetate or polyester base
- Safety fuse
noun 1. a slow-burning fuse for igniting detonators from a distance 2. an electrical fuse that protects a circuit from overloading
noun 1. a long tube attached to a detonator or percussion cap and filled with a powder that burns slowly when ignited.
noun 1. a pane made by joining two plates or panes of glass with a layer of usually transparent plastic or artificial resin between them that retains the fragments if the glass is broken. safety glass noun 1. glass made by sandwiching a layer of plastic or resin between two sheets of glass so that […]
- Safety harness
noun a device of belts or restraints that hold a person or thing to prevent falling or injury