B Urine C Brass
D Sand
8. Separation of mixtures of solids with various sizes
include
A magnetic separation.
B coarsing
sublimation.
Air

Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options

Wiy doeres rere okhn a pump whon working betwon the same pressure range?

The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object