Boima ba sebaka se thibelang ho phatloha-ha se boleng bo tsitsitseng mme bo angoa ke lintlha tse ngata.
Ho ea ka thepa, -liphanele tse thibelang ho phatloha tse entsoeng ka lisebelisoa tse fapaneng li na le litekanyo tse fapaneng, tse bakang boima bo fapaneng. Ka mohlala, fiber{2}}liphanele tsa samente tse matlafalitsoeng hangata li boima ba lik'hilograma tse 25 ho isa ho tse 30 ka square meter, ha litšepe tse kang aluminium alloy, li boima ba lik'hilograma tse 10 ho isa ho tse 15 ho square meter.
Botenya le bona ke ntlha e ka sehloohong e susumetsang boima ba 'mele. Ha phanele e le motenya, e boima le ho feta. Hangata liphanele tse thibelang ho phatloha{2}ka tloaelo li ba botenya ba 6 ho isa ho 12 mm. Ka mohlala, fiber e teteaneng ea 6 mm{7}}e bekha samente e ka ba boima ba lik'hilograma tse 25 ka square meter, ha phanele e botenya ba 12 mm e ka ba boima ba lik'hilograma tse 50 ka square meter.
Ho phaella moo, mokhoa oa ho etsa lihlahisoa le ho eketsoa ha lisebelisoa tse khethehileng li ka boela tsa ama boima ba 'mele. Lits'ebetsong tsa 'nete, boima bo loketseng ba ho phatloha{{1}liphanele tse thibelang ho phatloha li lokela ho khethoa ho latela litlhoko tse itseng le litlhoko tsa moralo.
