Ndi gulu lathu laukadaulo la R&D la mainjiniya anzeru, tayambitsa Madesiki oyimirira amagetsi abata kwambiri  <40dB. Madesiki oyimilira opangidwa mwaluso amayesedwa kangapo kuti atsimikizire kukhutira kwanu komanso kukhala ndi thanzi labwino. Mu labu yapadera - chipinda chopanda phokoso, mainjiniya athu amayesa madesiki oyimirira ndi katundu wa 265Ibs, malo athu ogwirira ntchito nthawi zonse amakhala chete komanso osasunthika, ndi phokoso <40 dB.

Kodi 40 dB ndi chiyani? Anthu ambiri sadziwa kuchuluka kwa mawu komanso kuchuluka kwa ma decibel. Tiyeni tiwone kamvekedwe ka mawu odziwika kuti timvetsetse bwino maphokoso otetezeka komanso momwe ma decibel amakulira.

0 dB ndi phokoso lofewa kwambiri lomwe khutu la munthu lingamve-chinthu chomwe sichimamveka ngati tsamba likugwa.
10 dB: Kupuma
20 dB: Masamba othamanga
30 dB: Kunong'ona
40 dB: Refeigerator
50 dB: Kugwa mvula yochepa
60 dB: Kukambirana
70 dB: Magalimoto a City City
80 dB: Galimoto
90 dB: Chowumitsira tsitsi
100 dB: Helikopita
110 dB: Trombone
120 dB: Siren ya apolisi
130 dB: Injini ya Jet
140 dB: Zowombera moto