BZ type fixed-column jib crane o se oloa fou ua atiina ae e SEVENCRANE faatasi ai ma le faasinomaga i meafaigaluega faaulufale mai Siamani, ma o se meafaigaluega sii faapitoa fuafuaina e tusa ai ma manaoga o tagata e faaaogāina. O lo'o i ai le lelei o le fausaga fou, talafeagai, faigofie, fa'aoga faigofie, fesuia'i suiga, avanoa faigaluega tele, ma isi mea. E mafai ona faʻaaogaina lautele i falegaosimea ma mines, laina gaosiga o aʻoaʻoga, laina faʻapotopotoga ma masini meafaigaluega utaina ma le laʻuina, faʻapea foʻi ma mea mamafa e siiina i fale teu oloa, faʻailoga ma isi taimi.
O le 10-toni tumau-koluma jib crane e faʻaaogaina e siʻi ai vaa, e masani ona faʻapipiʻi i luga o le matafaga, ma e aofia ai se koluma, se jib, fa eletise eletise, ma eletise eletise.
Fa'amau-koluma jib crane e aofia ai masini koluma, slewing masini, jib masini ma eletise filifili filifili, ma isi Mechanisms, faiga eletise, apefa'i ma tulaga fa'aleleia. O le pito pito i lalo o le koluma e faʻapipiʻiina i luga o le faavae sima, ma o le lima faʻafefeteina e taamilo, lea e mafai ona fesuiaʻi e tusa ai ma manaʻoga o tagata faʻaoga. O le vaega slewing ua vaevaeina i le slewing manual ma le eletise slewing. O lo'o fa'apipi'i le filifili fa'aeletise i luga o le laina fa'amau mo le siiina o mea mamafa.
O lo'o fa'apipi'iina le fa'ailoga fa'amau fa'amau fa'amau fa'atasi ma se fa'ameamea fa'ameamea fa'aeletise e sili ona fa'atuatuaina, lea e fa'apitoa mo le va'ava'a, fa'aoga faifaipea, ma fa'agaioiga si'itia malosi. O loʻo i ai uiga o le maualuga maualuga, faʻasaoina o le malosi, faʻalavelave faʻalavelave, tulagavae laʻititi, ma faigofie le faʻaogaina ma le tausiga. O le filifili eletise eletise e iai galuega o le siiina ma le faʻasolosolo i tua ma luma i luga o le laʻau. E mafai ona faʻauluina le faʻalava o le jib e le faʻaitiitiga i luga o le masini faʻataʻavalevale e faʻaulu ai le taʻavale e taʻavale. O loʻo faʻapipiʻi le pusa faʻatonutonu eletise i luga o le filifili filifili.