It makes sense to measure the flexibilty rating with the racquet strung as it is obvious we cannot play with a racquet that is unstrung. Anyway flexibility rating of an unstrung racquet is only meaningful to the manufacture and pros.
Recommendations for Iced Tea Safety. * Iced tea sould be brewed at 195 F for 3-5 minutes. * Iced tea should be stored for no longer than 8 hours. * The tea brewer, storage dispenser, and faucet should be cleaned daily. The CDC stated that redesigning tea dispensers to be more easily dismantled and cleaned could further reduce the theoretical risk of bacterial contamination of iced tea. Sun Tea.
Loose green tea is a perishable product. The rule of thumb is that green tea turns hay after 6 months. If you want to keep it fresh - keep it in the cooler (4-5C/40F) in zip-locked package. Green tea easily absorbs any flavors, so if you don't want your lovely Bi Luo Chun smell like salami, keep it zipped. The only exception to 6 months expiration is vacuum. If you vacuum your green tea and put it in the fridge you can prolong its life for as long as 2-3 years. All of the above is true for good quality tea carefully produced by responsible farmers.