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In a spray bottle, the dispensing is powered by the user's efforts, as opposed to the spray can, in which the user simply actuates a valve and product is dispensed under pressure. Several designs have been developed. [ 1][ 2][ 3] Some of the pumping mechanisms of spray bottles are similar to those of pump dispensers which are used for more ...
A jerrycan or jerrican (also styled jerry can or jerri can) [ 1] is a fuel container made from pressed steel (and more recently, high density polyethylene ). It was designed in Germany in the 1930s for military use to hold 20 litres (4.4 imp gal; 5.3 US gal) of fuel, and saw widespread use by both Germany and the Allies during the Second World ...
Decoupage or découpage ( / ˌdeɪkuːˈpɑːʒ /; [ 1] French: [dekupaʒ]) is the art of decorating an object by gluing colored paper cutouts onto it in combination with special paint effects, gold leaf, and other decorative elements. Commonly, an object like a small box or an item of furniture is covered by cutouts from magazines or from ...
Bisphenol A ( BPA) is a chemical compound primarily used in the manufacturing of various plastics. It is a colourless solid which is soluble in most common organic solvents, but has very poor solubility in water. [ 2][ 7] BPA is produced on an industrial scale by the condensation reaction of phenol and acetone.
Steel and tin cans. A steel can, tin can, tin (especially in British English, Australian English, Canadian English and South African English ), or can is a container made of thin metal, for distribution or storage of goods. Some cans are opened by removing the top panel with a can opener or other tool; others have covers removable by hand ...
Tin-plated (or tinned) steel containers are widely used for food preservation, and this forms a large part of the market for metallic tin. A tinplate canister for preserving food was first manufactured in London in 1812. [90] Speakers of British English call such containers "tins", while speakers of U.S. English call them "cans" or "tin
The history of fluid mechanics is a fundamental strand of the history of physics and engineering. The study of the movement of fluids (liquids and gases) and the forces that act upon them dates back to pre-history. The field has undergone a continuous evolution, driven by human dependence on water, meteorological conditions and internal ...
Aerosol spray is a type of dispensing system which creates an aerosol mist of liquid particles. It comprises a can or bottle that contains a payload, and a propellant under pressure. When the container's valve is opened, the payload is forced out of a small opening and emerges as an aerosol or mist. Aerosol spray can.