Nepali to English:
जब पर्खालको सम्पूर्ण लम्बाइ एकैचोटि बनाउन सकिँदैन तब ऱ्याकिङ ब्याक पद्धति उपयोगी हुन्छ।
The racking Back method is useful when the full length of the wall cannot be built at one time.