Marka TPCH ay la socoto waxqabadka saddexdii biloodba mar, mashruucyadu waxay fursad u helayaan si joogto ah u wanaajiya waxqabadkooda mashruuca oo kordhiya suurtogalnimada inay soo gudbiyaan warbixinnada waxqabadka sannadlaha ah (APRs) ee waafaqsan oo sax ah. Fiiri xiriirinta hoose ee mashruuca APRs si aad u ogaato sida mashaariicdani u qabsoomeen intii lagu jiray sannad dugsiyeedka oo dhan.
Hawlgalka Deep Freeze (ODF) waa hoyga degdega ah ee cimilada daran ee Tucson ee dadka ay haysato hoy la'aanta. ODF waxa ay dhaqan galaysaa marka saadaasha cimiladu ay tahay heerkulka habeenka oo ah 40F ama ka hooseeya roobka, 35°F ama ka hooseeya roob la'aan, ama marka xaaladaha qaboojinta dabayshu ay tilmaamayaan khatar caafimaad oo ka imanaysa soo-gaadhista. Uma baahnid aqoonsi ama kaarka qaaxada si aad uga qaybgasho ODF.
