Gwema "ukubukeka kahle kodwa ukungasebenzi kahle" futhi uhlanganise isitayela: i-pergola idinga ukuhlanganiswa endaweni yonke (isibonelo, udonga lwangaphandle lwe-villa lwenziwe ngamatshe, ngakho-ke kuvumelana kakhulu ukukhetha i-pergola yamatshe noma yensimbi; Ingadi ibuswa izitshalo eziluhlaza, futhi iphethini yokhuni/rattan ingokwemvelo).