Heerarka
Naqshadeynta & Soo -saaridda: DIN 3356, BS 1873
Kormeerka tijaabada: DIN3230, BS EN12569
Qiyaasaha fool ka fool: DIN3202, EN558-1
Cabbirka dhammaadka Flanged: DIN2543, DIN2544, DIN2545, EN 1092-1
Astaamaha Qaabdhismeedka
1.Labadaba shaabad, waxqabad la isku halayn karo;
2.Qiimaha booska wiishka, aad u dareen badan;
3.Cabsi socodka socodka yar, hoos u dhac cadaadis.