Barroosinka maroojinta dhulka waxaa loo isticmaali karaa meelo badan oo guriga ku wareegsan, barroosinnada, deyrka, teendhada, geedaha taageerada iyo wax kasta oo u baahan in si sugan loogu xidho dhulka.Way ku fiican tahay sugidda boostada, teendhada iyo waxyaalaha kale ee ciidda, ciidda, xeebta, iyo wasakhda.Si fudud u rogo auger dhulka oo ku xidh isha isha.
Barroosinka dhulku si sahal ah ayaa loogu xidhi karaa dhulka, lama qodna lamana rabo shubka.Gogol-dhaafku aad buu u fiiqan yahay si uu si fudud ugu beddelo ama uga baxo dhulka.
Cabirka | |||
Sawir | A | B | C |
| mm | mm | mm |
400 | |||
600 | |||
800 | 10-25 | 75-200 | |
1200 | |||
1500 |