Guarding the most precious of all!
How can you run a Seder for 1000 people?
The only way to have an unlimited supply of hot water!
Using heat exchangers on Shabbat
A gramma microwave for the ill
Communication between departments in locked institutions
Opening and closing doors with a cyclical timer
A mehadrin solution for the hotel and the institutional kitchen
A mehadrin way to enjoy Shabbat
A necessity for every hotel!
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