In old versions of the story: " The scene of the murder, when it is specified, is usually the house of Aegisthus, who has not taken up residence in Agamemnon's palace, and it involves an ambush and the deaths of Agamemnon's followers too ".

Boerhaave first described Boerhaave syndrome, which involves tearing of the esophagus, usually a consequence of vigorous vomiting.

It can be symbolically depicted through a chemical equation, which usually involves atoms as subjects.

An elementary reaction involves a few molecules, usually one or two, because of the low probability for several molecules to meet at a certain time.

This process usually involves thousands of tadpoles — which are small, black and have short tails — forming into groups.

It usually involves some form of political participation, but this can vary from token acts to active service in government.

Dance is a type of art that generally involves movement of the body, usually rhythmic and to music, performed in many different cultures and used as a form of expression, social interaction and exercise or presented in a spiritual or performance setting.

Normalization usually involves dividing large tables into smaller ( and less redundant ) tables and defining relationships between them.

Dispersal is usually distinguished from migration because it involves the one way permanent movement of individuals from their birth population into another population.

It usually involves the heart valves ( native or prosthetic valves ).

" This second case usually involves the town bully and mischief maker Bugs Meany, leader of a gang who call themselves the Tigers, who, after being foiled, will attempt revenge in the third mystery.

The preparation of animal-based food usually involves slaughter, evisceration, hanging, portioning, and rendering.

This usually involves inviting potential Actors to read an excerpt from the script for an audition.

Preservation usually involves preventing the growth of bacteria, fungi ( such as yeasts ), and other micro-organisms ( although some methods work by introducing benign bacteria, or fungi to the food ), as well as retarding the oxidation of fats which cause rancidity.

Dissociative fugue usually involves unplanned travel or wandering, and is sometimes accompanied by the establishment of a new identity.

Flirting usually involves speaking and behaving in a way that suggests a mildly greater intimacy than the actual relationship between the parties would justify, though within the rules of social etiquette, which generally disapproves of a direct expression of sexual interest.

Subsurface exploration usually involves in-situ testing ( two common examples of in-situ tests are the standard penetration test and cone penetration test.

A game show is a type of radio or television program in which members of the public, television personalities or celebrities, sometimes as part of a team, play a game which involves answering questions or solving puzzles usually for money and / or prizes.

Handfasting is an ancient Celtic ceremony of ( temporary or permanent ) betrothal or wedding that dates back to pre-Medieval times and usually involves the tying or binding of the hands of the bride and groom with a cord or ribbon.

The pink color of ham develops in the curing process which involves salt and usually either nitrites or nitrates.

However, it also has some features of covalent bonding: it is directional, stronger than a van der Waals interaction, produces interatomic distances shorter than sum of van der Waals radii, and usually involves a limited number of interaction partners, which can be interpreted as a kind of valence.

Also, certain homey or rustic sort of traditional Japanese foods such as kinpira, hijiki, kiriboshi daikon usually involves stir frying in some oil before stewing in soy sauce flavoring.

The Multiple Kick is usually done in the " second " style described in the Side Kick article which " involves shooting the leg forward as in a front kick and then pivoting and turning so " to actually deliver a side kick.

The study of letter writing usually involves both the study of rhetoric and grammar.

As syntax began to be studied more closely in the early 20th century, in relation to language learning, it became apparent to linguists, psychologists, and philosophers that knowing a language was not merely a matter of associating words with concepts, but that a critical aspect of language involves knowledge of how to put words together — sentences are usually needed in order to communicate successfully, not just isolated words.

The apprentice program will involve further education on a part-time basis, usually at night, perhaps using some of the same equipment of the high school.

The quest for new elements is usually described using atomic numbers.

GOTO telescopes usually have to be calibrated using alignment stars in order to provide accurate tracking and positioning.

This system specifies the latitude and longitude of any location in terms of angles subtended at the centre of the Earth, using the equator and ( usually ) the Greenwich meridian as references.

Once the desired scope is laid out, the vessel should be gently forced astern, usually using the auxiliary motor but possibly by backing a sail.

Aggravated assault is, in some jurisdictions, a stronger form of assault, usually using a deadly weapon.

Following screening of antibacterials against a wide range of bacteria, production of the active compounds is carried out using fermentation, usually in strongly aerobic conditions.

* The archtop guitar incorporates a top, either carved out of solid wood or heat-pressed using laminations, that is arched like instruments in the violin family, usually with an f-hole rather than a round sound hole.

Rhythm section parts are usually improvised or otherwise invented by the performers themselves using chord symbols or a lead sheet as a guide.

Renaissance editors sometimes added AUC to Roman manuscripts they published, giving the false impression that the Romans usually numbered their years using the AUC system.

According to the director, the advantage of using this technique was " the incredible amount of interaction between the background, which doesn't exist, and the foreground, which is usually your character ".

BBSes that did not have integrated FidoNet capability could usually add it using an external FidoNet front-end mailer such as FrontDoor, BinkleyTerm, InterMail or D ' Bridge, and a mail processor such as FastEcho or Squish.

Specific charities may exist to fund and operate bus transport, usually using specially modified mobility buses or otherwise accessible buses ( See Accessibility section ).

A brick is a block, or a single unit of a ceramic material used in masonry construction, usually stacked together, or laid using various kinds of mortar to hold the bricks together and make a permanent structure.

Bra-ket notation is widespread in quantum mechanics: almost every phenomenon that is explained using quantum mechanics — including a large portion of modern physics — is usually explained with the help of bra-ket notation.

All of the guests are seated and grace is said, usually using the Selkirk Grace, a well-known thanksgiving said before meals, using the Scots language.

The process is usually to lay one colour at a time using a ribbon that has colour panels.

Companies like Sun Microsystems, Novell, and Microsoft provide their own APIs so that many applications are written using their software libraries that usually have numerous APIs in them.

A special armed employee of the express service using the stage for transportation of bullion or cash would sit beside the driver, carrying a short shotgun ( or alternatively a rifle ), to provide an armed response in case of threat to the cargo, which was usually a strongbox.

Ropes are usually rigged using bolts, slings, and carabiners.

* Ice climbing: Ascending ice or hard snow formations using special equipment designed for the purpose, usually ice axes and crampons.

During the game most Capoeira moves are used, but capoeiristas usually avoid using punches or elbow strikes unless it's a very aggressive game.

If a die leaves the table, the shooter will usually be asked to select another die from the remaining three but can request using the same die if it passes the boxman's inspection.

These missiles travel faster than the speed of sound, usually using ramjet engines.