RADAR = radio navigation and ranging
LPG = LIQUIFIED PETROLEUM GAS

 LASER…………………………Light Amplification through Stimulated Emission of Radiations
? RADAR………………………………………………radio detection and ranging
 LPG…………………………………………………….liquified petroleum gas
 CFC…………………………………………………….choloro fluoro carbons
 AIDS…………………………………………………….acquired immune deficiency syndrome
 ROM………………………………Read Only Memory
 LAN………………………………Local Area Network
 WWW…………………………World Wide Web
 DNA…………………………… deoxy ribonucleic acid
 HDL…………………………………………………….high density lipoprotein
 MeV…………………………………………………….mega electron volt
 UHF…………………………Ultra High Frquency
 LED………………………….Light Emitting Diode
 LCD………………………….Liquid Crystal Display
 BASIC………………………Beginner's All Purpose Symbolic Instruction Code
 MASER…………………………………………………micro wave apmplification by s stimulated emmission of radiation
 SONAR…………………………………………………sound navigation and ranging
 SARS……………………Severe Acute Respiratory Syndrome
 NTP……………………………………………………. network time protocol
 RQ…………………………………………………….respiratory quotient
 PVC…………………………………………………….polyvinyl chloride
 NPN…………………………………………………….negative positive negative
 WAN…………………….Wide Area Network
 ECG………………………Electro Cardiography
 BCG……………………………………………………. bacilles of calmette (guerin)
 ETT……………………………………………………exercise tolerance test (cardiography)
 DBS………………………data base system
? BTU……………………… british thermal unit
 TNT……………………… tri nitro toulene
 CNG………………………Compressed Natural Gas