Cajaladda Mara, oo sidoo kale loo yaqaanno cajalad polyester, waxay isticmaashaa filimka polyesterka sida walxaha saldhigga ah iyo koollada ololka akriliga ah sida koollada.Midabkeedu waa huruud khafiif ah, huruud madow, buluug, casaan, cagaar, madow, caddaan, hufan, iwm. Waxay ku habboon tahay dahaarka warshadaha elektiroonigga ah, sida transformers, motors, capacitors iyo matoorrada kale iyo qaybaha elektaroonigga ah.