| 摘要 |
Currently no one has thought to try to measure the buoyancy, or in this case, the weight of upward force produced by manufactured products submerged in water. Trial and error or trying to "add" up the density of dissimilar materials has been the way items were tested. Because many products are made up of numerous materials, some very buoyant and some not buoyant, the need for a piece of testing equipment that can measure an entire object is essential. Taking all materials into account when assessing buoyancy can help to ensure a safe product (being able to float the intended weight) and provide hard data for product liability (proving the product can perform under intended conditions).
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