Xarigga Birta Aan Daxalka Lahayn, oo sidoo kale loo yaqaan Xarigga Birta Aan Daxalka Lahayn oo ah xalka xidhitaanka ayaa loogu talagalay in lagu xidho qalabka warshadaha, ku xidhka, qalabka joojinta iyo aaladaha kale ee ulaha.
| Darajooyinka | Ballaca | Dhumucda | Dhererka giraangir kasta |
| 0.18" - 4.6mm | 0.01" - 0.26mm | ||
| 201 202 304 316 409 | 0.31" - 7.9mm | 0.01" - 0.26mm | |
| 0.39" - 10mm | 0.01" - 0.26mm | ||
| 0.47" - 12mm | 0.014" - 0.35mm | 30m | |
| 0.50" - 12.7mm | 0.014" - 0.35mm | 50m | |
| 0.59" - 15mm | 0.024" - 0.60mm | ||
| 0.63" - 16mm | 0.024" - 0.60mm | ||
| 0.75" - 19mm | 0.03" - 0.75mm |
Xidhmada Birta Aan Lahayn waa badeeco cajiib ah sababtoo ah kala duwanaanshaheeda iyo cimri dhererkeeda. Waxay leedahay xoog aad u sarreeya oo jabitaan ah taasoo ka dhigaysa ikhtiyaar ku habboon codsiyada culus. Xidhmada Birta Aan Lahayn waxay leedahay iska caabin ka sarreysa daxalka marka loo eego noocyada kale ee xidhmooyinka birta iyo balaastikada, taasoo la macno ah inay sii jiri doonto waqti dheer deegaanno aan wanaagsanayn. Waxaan haynaa 3 darajo oo kala duwan oo Xidhmada Birta Aan Lahayn ah oo la heli karo, waa in la ogaadaa in heerarka kala duwan ee Birta Aan Lahayn ay si fiican uga shaqeeyaan deegaanno adag marka loo eego kuwa kale.