Filimi e otlollang e fumaneha ka botenya le bophara bo fapaneng ho fihlela litlhoko tse fapaneng tsa ho phuthela le mefuta ea thepa.
Botenya hangata bo hlahisoa ka li-micron kapa gauge, ka botenya bo tloaelehileng ba filimi e otlolohileng e le li-micron tse 12-30 (μm) kapa gauge ea 50 - 120 gaude.
Hangata bophara bo pakeng tsa lisenthimithara tse 30 ho isa ho tse 50 (30 ho isa ho tse 50 cm) 'me bo ka fetoloa ho latela litlhoko tse itseng.
Botenya:
Botenya bo fapaneng bo fana ka maemo a fapaneng a matla le tšireletso.
Lifilimi tse teteaneng, tse kang 20-35 μm (gauge ea 80-140), li loketse lintho tse boima kapa tse bohale, tse fanang ka khanyetso e matla ea ho phunyeha, filimi e e lumellang ho sebetsana le meroalo e boima.
Lifilimi tse tšesaane, joalo ka li-micron tse 10-15 (40-90 gauge), li loketse lintho tse bobebe kapa ha ho sebelisoa chelete hantle ho etelletsoa pele.
Bophara:
Filimi e otlollang e tla ka bophara bo fapaneng, hangata e tloha lisenthimithara tse 30 ho isa ho tse 50.
Khetho ea bophara e itšetlehile ka boholo le litekanyo tsa lintho tse phuthetsoeng.
Khetha bophara bo pharaletseng ha o paka dintho tse kgolo kapa tse kgolo bakeng sa ho kwahela le ho tsitsisa dintho hantle.
Mokhoa oa ho Bala Litlhaloso tse Hlokahalang tsa Filimi e Otlollang
| Palo ea Boima | Palo ea Bolelele |
| Boima = Bolelele (m) * botenya (um) * bophara (cm) * 0.918 | Bolelele = Boima(kg) / botenya (um) / bophara (cm) / 0.918 |
| Fana ka mohlala: | |
| Bolelele ba 550m, botenya ba 22um, bophara ba 50CM, boima ba eona ke hoo e ka bang 5.5 kgs. (550*0.022*0.5*0.918=5.5) | |
| Boima ba 3 kgs, botenya ba 22um, bophara ba 50CM, bolelele bo ka ba 297m. (3/0.022/0.5/0.918=297) | |












