Cov kws tshaj lij ntawm FrankFurt nthuav qhia Opiente, uas tau tshwm sim txij 9 txog Lub Ob Hlis 13, ua ke nrog cov npoj yaig ntawm cov dej ntws, uas yuav siv rau lwm xyoo.
1. METEST cov kev cai. Cov qauv uas ua ke ua cov neeg ua haujlwm hnyav thiab nce, uas tau txais qhov chaw nyob hauv tsev loj ntawm lub nroog. Tsob ntoo yog siv nrog kev zam txim, qhob, xyoob thiab lwm cov ntaub ntawv raw, ntawm qhov kev tshem tawm no tshwm rau qee lub sijhawm, uas lawv saib tau zoo dua.
2. Cov yeeb yaj kiab ua yeeb yam. Cov xim tsis muaj xim thiab cov qauv tau muab lub luag haujlwm tseem ceeb, qhia cov khoom ntawm sab zoo tshaj plaws. Txhua qhov chaw pom kev saib xyuas ntawm ib puag ncig: yas, ntoo, ntaub - tag nrho cov ntaub ntawv raw, yog tias tsim nyog, tuaj yeem rov ua dua tshiab.
3. Cov kev xav sib txawv. High-tech gadgets Kev saib xyuas zoo, tsa suab thiab siab lub neej. Lub ntsiab tseem ceeb rau lub union ntawm cov ntawv thiab cov ntawv nyeem, hlau thiab iav.
4. Opulent Labrations. Ib qho, cov khoom muaj kuab heev, cov khoom lag luam tshwj xeeb nrog cov ntsiab lus txawv ntawm cov khoom siv kim heev, xws li plooj (veneers) thiab cov pob zeb muaj nuj nqis.
Tshooj ntawm cov ncauj lus: Sau 1968