The lowest practical number of slots in a Geneva mechanism is 3; more than 18 are seldom used.
Today, many of the antique Racing Runabouts can be found on or near northern lakes, precisely because of those boathouses (sun is hard on wood) and because in colder climes boats were seldom used more than 40 hours a summer.
Letters, both from the patients or from their doctor, were viewed more favourably but were seldom used.
Here, often the choice of last resort is colistin, an antibiotic discovered more than 50 years ago and seldom used in the past because of adverse affects, including kidney toxicity; however, it is now increasingly used.
Work this valve gently, as these valves are seldom used more than once or twice per year under normal service conditions, and could be damaged if forced.
However, the plus sign is seldom used, and in more and more IT systems the century is also included in the PIN (e.g. 19010203-6578).
More generally, the Relief Theory is seldom used as a general explanation of laughter or humor.
More than half of participants reported that they seldom used dental floss after tooth brushing each day.
The Parmigiano cheese is made from the milk of the vacche rosse, or red cows, which are seldom used today because other breeds provide more milk.
Its high cost means that this herbicide is seldom used for site preparation with the more affordable glyphosate/metsulfuron-methyl mix preferred instead.
In Chinese, this phrase is written "下午好." Note that "xià wǔ hǎo" is seldom used in Taiwan — there, "wǔ'ān" is more common.
