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lead–acid batteries, which must be kept upright to avoid acid spills and to keep the plates' orientation vertical. Cells may be operated with the plates horizontal...

enabling the load to be kept upright whilst traversing stairways. As a feature this enables the movement of objects that must be kept upright during transportation...

electrolyte in an unsealed container, requiring that the battery be kept upright and the area be well ventilated to ensure safe dispersal of the hydrogen gas...

attached to the rim in such a way that as the wheel turns, they are kept upright, usually by gravity. Some of the largest modern Ferris wheels have cars...

kickstand is a device on a bicycle or motorcycle that allows the bike to be kept upright without leaning against another object or the aid of a person. A kickstand...

The double bass (/ˈdʌbəl beɪs/), also known as the upright bass, the acoustic bass, or simply the bass (/beɪs/), is the largest and lowest-pitched chordophone...

increasing the temperature gradient. The tubes must be kept upright, and occasionally may need to be tapped or even shaken to begin bubbling after warming...

all threat and symbolic power. The skeleton as a utensil can only be kept upright by hanging it on an iron stand. The connection to reality is reinforced...

stability with adaptation to riding on a railway track: bicycles are kept upright by the rider steering in the direction of an impending fall, but this ability...

Chinese. The container is inexpensive, durable and fairly leak-proof when kept upright. The top usually has a locking paperboard tab that is self-closing. The...

more of a dinghy than a keel boat. On water under sail, the boat must be kept upright by active crew work, balancing, hiking, steering and constant adjustment...

A. E. Housman Leaves of Grass by Walt Whitman Ulysses by James Joyce kept upright by a black elephant bookend. Bibliography of George Orwell The Collected...

and catching of the colours. Slant colours: The colours are normally kept upright, but this can represent a problem both when dealing with standard doors...

Champagne and other sparkling wines tend to age better if they are kept upright. This is because the internal pressure caused by the trapped carbonic...

keeping the cover closed. These containers are leak-resistant only if kept upright, and often have a square imprint area for labeling. A cylindrical style...

adjusts the apparent depth of the drawer interior so that files are kept upright in the drawer. These are the legacy of a time when most filing was done...

engineer 1896–1907. He did much work on a monorail locomotive which was kept upright by a gyrostat. In 1903 he patented a gyroscopically-balanced monorail...

made of bunting, & attached to [a] semicircular bow this by lines is kept upright, & dragged behind the vessel". The next day he remarked that "The number...

Short, upright pasterns are beneficial in that they decrease the chance that the horse will suffer from soft-tissue injury. However, upright pasterns...

squatting position with the thighs held parallel to the ice and the torso kept upright. In ballet terminology, it is a plié with the feet in second position...