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A string line is a tool made for the purpose of marking a straight line, level, or corner for construction purposes. when building foundations, string lines are hung on batter boards [1] View of crossed strings at batter boards. indicating corner of foundation.
A tin can phone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire. It is a particular case of mechanical telephony, where sound (i.e., vibrations in the air) is converted into vibrations along a liquid or solid medium ...
The string, which is one full chord long, is then held taut with one end on two marks at each end of a chord, and the offset at the half chord mark measured. The versine of the chord, which is equal to this measured offset value can be calculated using the approximation of:
A line level is a level designed to hang on a builder's string line. The body of the level incorporates small hooks to allow it to attach and hang from the string line. The body is lightweight, so as not to weigh down the string line, it is also small in size as the string line in effect becomes the body; when the level is hung in the center of ...
A common line used is 2 mm (0.079 in) polypropylene line when it does not matter if the line is buoyant. The use of guide line for navigation requires careful attention to laying and securing the line, line following, marking, referencing, positioning, teamwork, and communication. [3]
In order to protect people from receiving spam emails, AOL sets limits on how many messages can be sent at one time. Learn more about the sending limits.
Everyone is gearing up for a Thanksgiving feast filled with turkey and mashed potatoes—even your pets will want to get in on the fun! After all, the smell of all those holiday flavors is sure to ...
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