Ukucaciswa okujwayelekile kwamaphaneli okufakazela ukuqhuma-kuhluka kakhulu. Okulandelayo ngezinye zezinto ezivame kakhulu:
Ubukhulu ngokuvamile busukela ku-3mm, 4mm, 5mm, 6mm, 8mm, kanye no-10mm. 3mm{7}}ukuqhuma okugqinsi{8}}amaphaneli okufakazela ubufakazi mancane futhi avame ukusetshenziswa ezindaweni ezincane noma okokusebenza lapho ukuqhuma{9}}izidingo zobufakazi ziqinile kancane kodwa kudingeka izinga elithile lokuvikela {0}elingu-1}mm{1} amaphaneli okuvikela ukuqhuma{13}asetshenziswa kakhulu futhi angahlangabezana{14}}nezidingo zobufakazi bokuqhuma{14}}zezimfuneko zobufakazi bokuqhuma kwezindawo eziningi ezijwayelekile, njengezindawo zokuvikela zendawo zezitshalo zezimboni{15}}mm{16}}eziwugqinsi nangaphezulu kokuqhuma{17}amaphaneli okuvikela ubufakazi afanele izinto ezinkulu, ezibalulekile noma izindawo ezibalulekile ezinezidingo zemboni ye-petroli engaqhumi kakhulu, indawo yokugcina i-petroli engaqhume kakhulu{1}
Osayizi abajwayelekile bahlanganisa 1220mm × 2440mm (ububanzi × ubude) kanye 1500mm × 3000mm. Lawa masayizi ajwayelekile enza kube lula ukukhiqiza, ukufakwa, nezokuthutha, okuhlangabezana nezidingo zamaphrojekthi amaningi wokwakha kanye nezimboni. Osayizi abathile bangenziwa ngokwezifiso ukuze bavumelane nezikhala ezihlukene zokufaka nezidingo zokuvikela.
Ngokuvamile, ukucaciswa okujwayelekile kwamaphaneli okufakazela ukuqhuma{0}kubandakanya ukujiya nosayizi abahlukahlukene. Abasebenzisi bangakhetha ukucaciswa okufanele ngokusekelwe ezimeni zabo zohlelo lokusebenza kanye nezidingo zokuqinisekisa ukuqhuma{2}okuphelele kokusebenza nokusebenziseka.
