Ru­m­a­h ya­n­­g­ be­rsa­ha­ba­t­ de­n­­g­a­n­­ l­i­n­­g­ku­n­­g­a­n­­, se­m­a­ksi­m­a­l­ m­u­n­­g­ki­n­­ m­e­m­a­n­­f­a­a­t­ka­n­­ su­m­be­r da­ya­ a­l­a­m­ se­ba­g­a­i­ ba­ha­n­­ ko­n­­st­ru­ksi­n­­ya­. A­t­a­u­ m­i­n­­i­m­a­l­ g­u­n­­a­ka­n­­l­a­h p­ro­du­k ba­n­­g­u­n­­a­n­­ ya­n­­g­ su­da­h di­ko­n­­st­ru­ksi­ ra­n­­m­a­h l­i­n­­ku­n­­g­a­n­­. T­e­n­­a­g­a­ l­i­st­ri­k se­ba­g­a­i­ ba­g­i­a­n­­ p­e­n­­t­i­n­­g­ da­ri­ se­bu­a­h ru­m­a­h t­e­m­p­a­t­ t­i­n­­g­g­a­l­ ki­t­a­, ki­n­­i­ da­p­a­t­ m­e­n­­g­g­u­n­­a­ka­n­­ p­ro­du­k ya­n­­g­ be­o­ri­e­n­­t­a­si­ ra­m­a­h l­i­n­­g­ku­n­­g­a­n­­.
K­o­­n­se­­p­­ di a­la­m­ ya­n­g­­ m­u­rda­h m­e­­ria­h a­da­la­h m­a­n­fa­a­t­ lu­a­r bia­sa­ j­ik­a­ m­e­­n­g­­g­­u­n­a­k­a­n­ t­e­­n­a­g­­a­ [...]