1 If the process is broken at any point, use new gloves from a new package. 2  Wear sterile gloves only when necessary. 3  Never wash gloves and reuse.  Never use gels and alcohol to clean gloves, use a new pair each time.
The horizontal angle between objects can be measured by: magnetic compass, Brunton Compass, sighting along a protractor, transit, GPS.he horizontal angle between objects can be measured by: magnetic compass, Brunton Compass, sighting along a protractor, transit, GPS.
The following sign convention is used for measuring various distances in the ray diagrams of spherical mirrors: All distances are measured from the pole of the mirror. Distances measured in the direction of the incident ray are positive and the distances measured in the direction opposite to that of the incident rays are negative.