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Agreed, brass is commonly used for its "self lubricating" properties. Kinema 09:55, 12 September 2007 (UTC) Brass appears to have been used on battleships for surfaces that handled black powder charges, supposedly because brass-to-brass contact does not create sparks (like other metals do) that could set off the powder.
Graphite. Used in air compressors, food industry, railway track joints, brass instrument valves, piano actions, open gear, ball bearings, machine-shop works, etc. It is also very common for lubricating locks, since a liquid lubricant allows particles to get stuck in the lock worsening the problem. It is often used to lubricate the internal ...
Massage their ears: After applying the ear wash solution, gently massage the base of your dog’s ear for about 20-30 seconds. This helps distribute the solution throughout the ear canal and ...
It is self-lubricating, a good electrical insulator, tolerant to fairly high temperatures, and has low out-gassing. It is not suitable for barrier between vacuum and atmosphere, as it is somewhat permeable for gases. Ceramics is a superior choice, however. [3] Polyethylene is usable but requires thorough out-gassing.
A bamboo ear pick with a down puff A metal ear pick. Ear picks, also called ear scoops, or ear spoons, or earpicks, are a type of curette used to clean the ear canal of earwax (cerumen). They are preferred and are commonly used in East Asia, South Asia and Southeast Asia because Asians tend to develop dry ear wax. [1] [2]
Tribology is the science and engineering of understanding friction, lubrication and wear phenomena for interacting surfaces in relative motion.It is highly interdisciplinary, drawing on many academic fields, including physics, chemistry, materials science, mathematics, biology and engineering. [1]
Silver spoons self-sanitize due to the oligodynamic effect. The oligodynamic effect (from Greek oligos, "few", and dynamis, "force") is a biocidal effect of metals, especially heavy metals, that occurs even in low concentrations.
A lubricant, aka lube, is a liquid, made of silicone, water, or oil, used during sexual activity to reduce friction by making the genital skin feel smoother, either solo or with a partner, says ...