Codsiga tuubada PVC iyo qadarka isticmaalka ayaa aad uga horreeya garoonka tuubada caagga ah, qallafsanaanta dusha wanaagsan iyo xoogga jilicsanaanta, gabowga wanaagsan, factor badbaadada sare, waxaa si ballaaran loo isticmaalaa tuubada fiilada korontada ee Grace waxay ilaalisaa mabaadi'da hal-abuurnimada sayniska, oo si joogto ah u sahamiso ikhtiraacida Isticmaalka nashqad qashin gaar ah, oo ay weheliso sanduuqa gearbox oo tayo sare leh, nidaamka maaraynta PLC si toos ah, khadka wax soo saarka oo dhan waa hawl fudud, orod xasiloon, wax-soosaar sare, oo si balaadhan loogu soo dhaweeyay macaamiisha.