1. Cov khaub ncaws tiv thaiv kev kub ntxhov muaj cov khoom zoo tshaj plaws thiab lub cev hnyav, nrog qhov hnyav tag nrho ntawm 6.5 kg, uas yog qhov hnyav dua li cov khoom lag luam.
2. Lub hauv siab pem hauv ntej, nraub qaum, ncej puab, xub pwg, caj npab thiab lwm yam tuaj yeem tsim nrog lub tshuab tso cua tawm.
3. Cov ris tsho tiv thaiv kev kub ntxhov muaj kev tsim tshwj xeeb. Cov tub ntxhais pov tseg uas raug tshem tawm tau teeb tsa nyob rau sab xub ntiag thiab tom qab, uas tuaj yeem teeb tsa tau txhua lub sijhawm thaum ua haujlwm tshwj xeeb.
