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On some typewriters, a scale that (a) is similar to a ruler, (b) has markings that correspond to the pitch of the machine, (c) allows the print position to be observed, (d) allows the margin stops to be set, and (e) indicates the position of the margin stops.

Albinism consists of a group of inherited abnormalities of melanin synthesis and are typically characterized by a congenital reduction or absence of melanin pigment. Albinism results from defective production of melanin from tyrosine through a complex pathway of metabolic reactions.

The green ear disease of Bajra is a common disease and has been reported from several countries including India, Iran, Israel, China, Fiji, Japan and the countries wherever Bajra crop is grown.
Symptoms of Green Ear Disease:

Two stages of the symptoms of the disease have been recorded: the downy mildew stage prominent on the leaves and the green ear stage affecting the inflorescence (ears). The latter is more prominent than the former symptom since it has been reported that the strain of the pathogen occurring in India produces more oospores than the sporangia.

The growth of the plants affected is checked and the plants appear stunted and sick, pale yellow in colour. Even young plants show this symptom. Soon, the leaves begin to show chlorosis in streaks on the upper surface while the lower surface shows downy growth of the fungus.

Carbohydrates are the sugars, starches and fibres found in fruits, grains, vegetables and milk products. Though often maligned in trendy diets, carbohydrates one of the basic food groups are important to a healthy diet.

Typewriter: There are standard stencils which can be used on both manual and electric typewriters with normal type faces.

They are made up of:

  1. A perforated head (for fixing on the duplicating machine)

  2. A wax coated stencil sheet

  3. A carbon sheet (inserted between the wax sheet and the backing sheet, carbon face up)

  4. A backing sheet made of thin card.

QWERTY(universal keyboard) is a keyboard design for Latin-script alphabets. The name comes from the order of the first six keys on the top left letter row of the keyboard (Q W E R T Y). The QWERTY design is based on a layout created for the Sholes and Glidden typewriter and sold to E. Remington and Sons in 1873. It became popular with the success of the Remington No. 2 of 1878, and remains in ubiquitous use.

In typography, kerning is the process of adjusting the spacing between characters in a proportional font, usually to achieve a visually pleasing result. Kerning adjusts the space between individual letter forms, while tracking (letter-spacing) adjusts spacing uniformly over a range of characters.[1] In a well-kerned font, the two-dimensional blank spaces between each pair of characters all have a visually similar area.

The standard American typewriter has an 88 character keyboard with 44 Keys.
in addition, they may have any combination of one or two shift keys, shift lock, backspace, tab set, tab clear, margin set/clear, color selector, spacing, power space/error control, margin release, and tab. Three bank typewriters have less keys, but also have a figure and sometimes figure lock.

The first American paten for what might be called a typewriter was granted to William Austin Burt, of Detroit, in 1829.
Christopher Latham Sholes was an American inventor who invented the QWERTY keyboard, and along with Samuel W. Soule, Carlos Glidden and John Pratt, has been contended as one of the inventors of the first typewriter in the United States.He was also a newspaper publisher and Wisconsin politician.

A tab stop on a typewriter is a location where the carriage movement is halted by an adjustable end stop. Tab stops are set manually, and pressing the tab key causes the carriage to go to the next tab stop. In text editors on a computer, the same concept is implemented simplistically with automatic, fixed tab stops

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