A thin veneer of wood will bend easily in one direction but not the other. By alternating the direction of the grain, a sheet of plywood is strengthened in both directions.
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The word fillet is used to describe a radius or angle at the joint of an angle instead of a shrap corner. It is sort of like when you use caulk to fill in the sharp corners when you are making a counter top. In a fillet weld you contact both peices of metal being joined at the 90 degree angle to "fill in" the joint.
A biochip is a microchip made from biological macromolecules, especially DNA, rather than a semiconductor.
90 inches = 2.5 yards.
Because dollar bills are rectangles, which means they have four sides at 90 degree angles to each other, area is given by side A times side B: 15.5 cm X 6.5 cm = 100.75 cm
One of the first considerations in an ergonomically safe environment is a comfortable chair.- a chair with five legs and wheels for easy movement will ensure stability- adjustable height of 15-21 inches off the floor to accommodate most people - a sitting position of 90 degrees, feet flat on the ground will reduce stress on lower back- 90 degree angle at the elbows for typing- backrest offer firm support- armrest should not restrict worker's ability to get close to the deskA desk at the proper height is also very important for an ergonomically safe environment- hold keyboard at height so that the user doesn't have to reach to type- desk must be ideal for pen and paper writing aswell- a keyboard support surface that is 580 to 710 mm off the ground will accommodate most usersA mouse that requires no tension.Low lighting that causes you to strain your eyes.