| Typus Lavacri | Core Features | Typica Applicationes |
| Plana elementum | Discus metallicus tenuis et levis; functio basica distributionis oneris | Scenaria generalia connexorum, protegens superficies operis |
| Lamina retinens fissilis | Design helicoidale fissum; tensionem elasticam generat ad resistendum laxationi | Apparatus mechanici subiecti vibrationi (p. ex. motores, pompae) |
| Lamina retinens dentata | Dentes in uno utroque latere; morsus in fixativum et opus ad praeventionem lubricationis | Partes automobilium, machinae graves, loca altae vibrationis |
| Lamina undulata | Structura curvata instar mollis; praebet praecaricatum constantem | Instrumenta praecisa, congeries cingulorum, parva instrumenta electronica |
| Lamina sigillans ex caoutchouco | Materies non-metallica (caoutchoucus/nylon); impervia aquae et pulveri | Apparatus plumbarii, instrumenta exteriora, systemata hydraulica |
| Stainless steel washer | Resistens corrosioni; idonea ad loca aspera | Instrumenta maritima, aedificatio litoralis, machinae ad elaborationem ciborum |
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