Peb hais kom lub hauv paus ntsiab lus ntawm kev txhim kho ntawm txoj kev txhim kho ntawm cov kev ua haujlwm ntawm CalataleHeA Peb pab neeg technical technical yuav tau tag nrho ntawm koj cov kev pabcuam. Peb siab thov txais tos koj kom tau txais kev saib ntawm peb lub vev xaib thiab kev lag luam thiab xa tawm peb koj cov lus nug. Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li Tebchaws Europe, Tebchaws Asmeskas, Munich, Senegal. Peb tau pom qhov zoo tshaj plaws ua ntej-muag, muag, muag kev pabcuam kom ntseeg tau cov neeg muas zaub uas tuaj yeem so kom muaj kev txiav txim. Txog tam sim no peb cov khoom muag tam sim no tau txav mus nrawm thiab nrov heev hauv South America, East Asia, Tebchaws Middle, Africa, thiab lwm yam.