built on the trusted strikealert technology, strikealert hd is the first personal lightning detector with a graphical display that shows you the lightning strike distance (from 0 - 40 miles away) as well as a 1-hour storm trend and intensity. most other personal lightning detectomore...
Helium Gas is used in many Industries and Commercial activities like Aqua Diving, Scientific & Party Ballons, Leak Testing, Automobile Industries, Semiconductor Manufacturing Industries, Cutting and welding purpose, nanotechnology and Special use in Instruments for Analytical Purmore...