Perforated Acoustic Board

Perforated acoustic board Phokoso lingayambitse matenda osiyanasiyana, kuphatikiza kutayika kwa makutu, kungayambitsenso kuwonongeka kwina.

Phokoso lingayambitse kusakhazikika, kukangana, kugunda kwa mtima mwachangu komanso kuthamanga kwa magazi.

Phokoso limachepetsanso katulutsidwe ka malovu ndi madzi am'mimba, komanso kuchepetsa acidity ya m'mimba, motero amatengeka ndi zilonda zam'mimba ndi zilonda zam'mimba.

Zotsatira za kafukufuku wina wa phokoso la mafakitale zikuwonetsa kuti kuchuluka kwa kayendedwe ka magazi kamunthu kamakhala kochuluka mwa ogwira ntchito zachitsulo ndi zitsulo komanso m'mashopu amakina omwe ali ndi phokoso lambiri kuposa m'malo opanda phokoso.

Ndi mawu amphamvu, anthu omwe ali ndi kuthamanga kwa magazi nawonso amakhala ochulukirapo.

Anthu ambiri amakhulupirira kuti phokoso m’zaka za m’ma 1900 ndi chimodzi mwa zinthu zimene zimayambitsa matenda a mtima.

Kugwira ntchito pamalo aphokoso kwa nthawi yayitali kungayambitsenso kusokonezeka kwa minyewa.

Kuyesera kwa anthu pansi pa mikhalidwe ya labotale kwatsimikizira kuti mafunde a ubongo wa munthu amatha kusintha chifukwa cha phokoso.

Phokoso lingayambitse kusamvana pakati pa chisangalalo ndi kulepheretsa mu cerebral cortex, zomwe zimatsogolera ku reflexes zachilendo pansi pazikhalidwe.

Odwala ena angayambitse mutu wosasunthika, neurasthenia ndi kuperewera kwa ubongo.

Zizindikiro zimagwirizana kwambiri ndi kukula kwa phokoso.

Mwachitsanzo, phokoso likakhala pakati pa 80 ndi 85 decibels, kumakhala kosavuta kusangalala ndi kutopa, ndipo mutu umakhala makamaka m'madera osakhalitsa ndi akutsogolo;phokoso likakhala pakati pa 95 ndi 120 decibels, wogwira ntchito nthawi zambiri amadwala mutu wosasunthika, wotsatizana ndi kusokonezeka, kugona, chizungulire ndi kukumbukira;pamene phokoso lili pakati pa 140 ndi 150 decibels, sikuti limangoyambitsa matenda a khutu, komanso limayambitsa mantha ndi mitsempha yambiri.Zovuta zadongosolo zidakula.