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A trencher is a piece of construction equipment used to dig trenches, especially for laying pipes or electrical cables, for installing drainage, or in preparation for trench warfare. Trenchers may range in size from walk-behind models, to attachments for a skid loader or tractor , to very heavy tracked heavy equipment .
The company is a source for trenchers, vibratory plows, horizontal directional drilling systems, drill pipe, downhole tools, vacuum excavation systems, fluid management systems, and mini skid steers. Because of its extensive experience in construction of subterranean structures and systems, CMW and Ditch Witch have been called, "The Underground ...
A trencher (from Old French trancher 'to cut') is a type of tableware, commonly used in medieval cuisine. A trencher was originally a flat round of (usually stale) bread used as a plate, upon which the food could be placed to eat. [1] At the end of the meal, the trencher could be eaten with sauce, but could also be given as alms to the poor.
It was theorized that positive selection for shovel-shaped incisors over the spatulate incisors is more commonly found within cultures that used their teeth as tools due to a greater structural strength in increased shovel-shaped incisors. [2] In some instances, incisors can present a more pronounced version of this called double shovel-shaped.
Trencher is an American comic book series, that was created, written and drawn by Keith Giffen and released by Image Comics in 1993. It totaled only four issues before it ended, with a 5th issue indicated in the end caption, and an ad for a 5th issue in Images of ShadowHawk #2.
Human teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting. As such, they are considered part of the human digestive system. [1] Humans have four types of teeth: incisors, canines, premolars, and molars, which each have a specific function. The incisors cut the food ...
Comparison of carnassial teeth of wolf and typical hyaenodontid and oxyaenid. Creodonts had two or three pairs of carnassial teeth, but only one pair performed the cutting function: either M1/m2 or M2/m3, depending on the family. [8] In Oxyaenidae, it is M1 and m2 that form the carnassials. Among the hyaenodontids it is M2 and m3.
The teeth have a more curved distoincisal angle than the primary maxillary central incisor. [7] The tooth is longer cervicoincisally than it is mesiodistally. [ 7 ] The average length of the primary lateral incisor is 15.8 mm, with the average crown length being 5.6 mm and the root length average being 11.4 mm. [ 8 ]