Ngaba uyayazi imbali yomandlalo?

Ekuqaleni umntu wayengengomandlalo, wayenomandlalo nje, kodwa ngoku silala i-matras ukuba kwenzeka njani, uyazi? I-make up encinci ikusa kuphononongo lwembali yomandlalo.

NgoJanuwari 1, 1881, eHouston, eTexas, eUnited States ngaphandle kwedolophu, indoda egama linguDaniel Haynes Mnu. Iingcibi zomatshini woMqhaphu zaqalisa ukwenza umatrasi omnye.

2, 1900, eUnited States. IiSimmons, iingxowa zomandlalo wasentwasahlobo; Umatrasi

3, ekuqaleni kwenkulungwane yama-20, uDan nje, umqamelo werabha wogwebu;

4, 1932, Italy, Mario & # 183; I-Berry, kunye ne-carbamate bubble ukuya kwi-cushion;

5, xa imfazwe yehlabathi yesibini, eJamani, lewis & # 183; I-koala, yenze i-elliptic mattress, kwaye ngokutsho komzimba womntu olele kumatrasi.

kwiindawo ezahlukeneyo zoxinzelelo lomzimba, zahlulahlulwe zibe ngamacandelo amathathu athambileyo, aphakathi kunye nobunzima, enza amathambo omzimba womntu agcine eyona meko ilungileyo.

6, wasemzini kwakhona wabonakala uhlobo 'impendulo esebenzayo kwinkqubo yasentwasahlobo, ukutshintsha indlela yemveli ifomu idiomatic isakhiwo spring, ukwenza abantu bekhululekile ngakumbi, njalo elastic; Enye i-spring-mattress idityaniswe ne-polyester foam, ukuqina okuthambileyo kunokulandela umntu.

I-7, njengoko ifunwa ngumgangatho wokulala woluntu ngakumbi nangaphezulu, uhlaza, ukhuseleko lokusingqongileyo, ubuyela kwindalo ngoku ngakumbi nangakumbi, ngoku ngakumbi nangakumbi kumatrasi asentwasahlobo, umatrasi we-coir, njalo njalo.