What are pointers in vb?

A guest claims that the air conditioning unit is not cooling well. how do you handle the complaint hat will you do if the engineering department cannot fix the problem immediately? What is bits and bolts used for? Do you have to refill plasma TVs? Who was the inventor of the Rain Gauge? Any method in a super class can be overridden in its subclass? Who invented rubber? Diagram of star-delta connection of motor? How do robots affect your daily life? When discovered welding? How does filtration purify driking water? Does having a transmission affect the ac? Example of technical words? Who was the first explorer to travel around the world in 80 days? Why ampere is base unit if it is derived from charge? What is the voltage level of two phase machine in three phase? Do you have to turn off the gas if you turn off the water supply to the house? How is voltage spread out in series circuit? What is the diameter a hand bender can bend copper pipe? What is dressing of stone in civil engineering? How many positive integers less than 1000 have no odd decimal digits?