yog cov khoom siv khoom siv thauj khoom, uas feem ntau yog siv rau kev tuav khoom thauj khoom hauv tuam txhab thiab cov chaw khaws khoom. Trackless Hluav Taws Xob Tsheb Tsheb

1. Trackless tsim

2. Roj Hmab Log Tsav Tsheb

Roj Hmab yog lub zog tsav tsheb ntawm roj hmab lub log trackless fais caj tsheb.

3. Fais Tsav

Tau zoo tswj kev ua tau zoo thiab tuaj yeem hloov kho thiab tswj qhov ceev ntawm cov khoom siv. Trackless Hluav Taws Xob Tsheb Tsheb

4. Cov suab nrov tsawg

5. Kev Nyab Xeeb Kev Nyab Xeeb

muaj kev nyab xeeb zoo rau kev nyab xeeb. Trackless Hluav Taws Xob Tsheb Tsheb

Hauv ntej, cov yam ntxwv ntau ntawm cov tsheb trunless lub tsheb ua rau nws tseem ceeb ntawm cov khoom siv logistics.