Glossary D

Domestication is the process of domesticating animals by keeping these animals for a distinct purpose, most partcularly for breeding and for human consumption, when humans control their breeding, their survival depends on humans and when they develop traits that are not found in the wild or their natural habitat.
Other Database Pages Exist for this Phrase:
Process (Process means the preparation of a substance, ...)
Breeding (Breeding is the selection process used to try and ...)
habitat (A Habitat is the sum of the physical, chemical, ...)

---

Donkey boiler refers to an auxiliary boiler used to generate power when the ship is in dock.
Other Database Pages Exist for this Phrase:
Boiler (Boiler refers to a type of space-heating. ..)

Double-action mechanical press is described as a press having two independent parallel movements by means of two slides, one moving within the other. The inner slide or plunger is usually operated by a crankshaft and the outer or blank holder slide, which dwells during the drawing operation, is usually operated by a toggle mechanism or by cams.
Other Database Pages Exist for this Phrase:
Press (Press denotes a machine having a stationary bed ...)
Slide (Slide is described as the main reciprocating ...)

Double-ram baler is described a a baler with a separate ram for compressing recyclable material against a fixed wall and a second ram for ejecting the finished bale
Other Database Pages Exist for this Phrase:
Bale (Bale refers to a package of wool in a standard. ..)
Baler (Baler refers to a machine used to compress and ...)

Double bow-back Windsor refers to the English equivalent of an American sack-back windsor.
Other Database Pages Exist for this Phrase:
Bow-back windsor (Bow-back windsor refers to a windsor side-chair. ..)
Bow (Bow is described as the front of the boat.)

Double helical gear refers to a a gear of cylindrical form with two sections of teeth that engage simultaneously with teeth of similarly designed mating gear.
Other Database Pages Exist for this Phrase:
Helical gear (Helical gear is described as a cylindrical gear ...)
Gear (Gear is a mechanical device that transmits power ...)

---

Alternative Spellings (Synonyms): gears

Downstroke baler is identified as a baling device in which the compression ram and platen move vertically in the chamber.
Other Database Pages Exist for this Phrase:
Bale (Bale refers to a package of wool in a standard. ..)
Baler (Baler refers to a machine used to compress and ...)

- Drafting machine : Drafting machine is identified as a machine that combines the functions of a T- square or straightedge, a triangle, a ruler, and a protractor.
Other Database Pages Exist for this Phrase:
Drafting (Drafting revolves around the process of ...)