### substance | liquid:

Viscous liquid
* Most viscous liquids consist of water
  - contain nourishment
* Some viscous liquids contain concentration.
* require lower pump speeds

Volatile liquid
* are to be stored away from sources of heat or electrical spark and sunlight.
* tend to vaporize locally as gear teeth spaces expand rapidly.

### substance | lube:

Dry lube
* All dry lubes involve some sort of wax.
* evaporate leaving a dry film.

### substance | lube:

Motor oil
* Some motor oils contain such molecules, for example.
* can be re-refined indefinitely, that is, it never wears out
  - cause sludge
* contains toxic chemicals that are harmful to humans, pets, wildlife and fish.
* has trace toxins which increase after use.
* is composed of two basic ingredients, base oil and additives
  - extremely toxic
  - located in repair shops
  - lubricant
  - the lifeblood of the engine, which needs a transfusion on a regular basis
  - toxic to all animal and plant life
* leaking from a car mixture of many different organic compounds and heavy metals.
* seems to stay liquid even on the coldest days.

Wet lube
* are the more traditional of the chain lubes.
* remain wet to the touch and protect better in wet conditions.

### substance:

Lubricant
* Most lubricants are necessary, to maintain a certain chemical balance, or there is corrosion
  - used with sexual intercourse have a toxic effect on the sperm
* Use plenty of lube when fucking or fisting.
* are generally spermicidal
  - the McGuffin
  - useful for women who experience vaginal dryness
* can enhance sexual pleasure, relieve vaginal dryness and make condom use more enjoyable.
* can increase pleasure for both men and women
  - sensation and comfort for both people enjoying sex
  - sexual stimulation
  - make condoms feel better by increasing the sensitivity
* containing lavender, chamomile, and marjoram essential oils promote relaxation.
* form a slippery film that prevents the peaks from welding together.
* grease the stool and make it slip through the intestine more easily
  - enabling it to move through the intestine more easily
* help to reduce both rolling and sliding friction.
* is home to some of the most advanced lubricants and fuel treatments available today.
* known as hydraulic fluid are used as the working fluid in hydrostatic power transmission.
* make any kind of vaginal penetration more pleasurable.
* promote a frictionless glide.
* reduce the amount of friction between two surfaces that move against each other
  - coefficient of friction, and thus the force required to pull the cable
  - wear of costly injection system components
* reduces the risk of the condom breaking.
* tends to reduce gamma stability.
* vital part of vaginal and anal sex.
+ Fisting: Sexual acts
  * Men also first other men for the challenge of taking not only the hand, but the wrist, forearm, upper arm as far as the armpit into their tracts. Some bars, clubs, and taverns teach fisting. In the bar or club, a sling is hung from the ceiling. Someone climbs into the sling either nude or in leather drag. A lot of lubricant must be used. Lubricant is usually available. Men prefer a simple 1 pound can of Crisco shortening. The instruction starts. Instructional videos and images can be viewed on the Internet. Before plunging into fisting, interested parties should seek instruction. Fisting can be dangerous.

### substance | lubricant:

Transmission fluid
* has a viscosity, just like oil does.
* is lubricant.

Lymph
* Most lymph contains materials
  - waste materials
  - is part of bodies
* Some lymph fills ventricles
  - flows through nodes
* Some lymph passes through lymph nodes
  - lymphatic vessels
* flow from liver and thoracic duct.
* flows through channels.
* is humour