The use of new plastic cans can extend the shelf life of foods. For example, canned cream soup has a shelf life of up to one year. Josep Toradas, a Spanish expert at DuPont, pointed out: "This new type of material can cut off the way air, sunlight, moisture or other microorganisms enter the interior of the container."
Ramon Catara, the promoter of this technology, and the Institute of Agrochemicals and Food Technology of Valencia, said: “We have achieved many important results in the laboratory, but only when we enter the actual production stage can we prove this Whether the material can compete with canned products currently on the market." Katara also pointed out that "there is no ideal can material. From a hygiene point of view, the best material should be glass, but the shortcoming is that it cannot resist the sun." . Both experts pointed out that glass cans have problems such as being too heavy, brittle, and difficult to transport, making it difficult to attract users and enabling many companies to turn their attention to new plastics.
Trolleying Mechanism and Spare Parts
A Tower Crane trolley is a component of a tower crane that moves horizontally along the jib of the crane. It is a wheeled device that is attached to the jib and is used to move the load from one location to another. The trolley is controlled by the operator using a remote control or a cabin located on the crane. The trolley is an essential component of the tower crane as it allows the operator to move the load precisely and safely. It is designed to withstand the weight of the load and the forces generated during the lifting process.
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A tower crane trolley consists of a car that moves along the jib through some lanes. This movement gives the necessary maneuverability in the tower crane. It is metallic so that it supports the weight to be lifted.
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